Yes, rubber bands obey Hooke's law, but only for small applied forces. 6. Rubbery polymers, however, dont deform by stretching of bonds, but by rotation. Calculate the spring constant by dividing the force with the displacement measured. Before you do that, take a close look at your significant figures and uncertainties in your data, they're not quite right. Take a rubber band. Your partner will draw circles around where the flying rubber bands land, so choose a person with a keen eye and some running shoes! Its 2*90. To describe the stretching action of rubber bands, and explore the connection between Hookes Law and Youngs modulus. Your helper can stand a few meters in front of you, but off to the side, not directly in the line of fire! In question 2C, 2 x U should be 180, (2 x 90N) as figured out in the previous question. Its inclination depends on the constant of proportion, referred to as the spring constant. This experiment takes a very common household item, the rubber band, and applies physical laws (Hookes Law and the Youngs Modulus) to them in a hands-on way. The spring constant, k, defines the stiffness of a spring as the . How do you calculate Youngs modulus of rubber? Using these equations, you can calculate the velocity of the rubber band right when it is released, and find that the velocity . Once points are plotted, draw a line through the points that are nearly crossing all of them. He's written about science for several websites including eHow UK and WiseGeek, mainly covering physics and astronomy. https://www.wired.com/2012/08/do-rubber-bands-act-like-springs/[2019-10-16]. How do you calculate rubber band force? A higher spring constant means a stiffer spring thats harder to stretch (because for a given displacement, x, the resulting force F will be higher), while a looser spring thats easier to stretch will have a lower spring constant. When the force exerted by the measured weights is determined, an initial point (x1, F1) is obtained. prove how energy/volume =1/2 stress.strain. It always has a positive value. Learn what elastic potential energy means and how to calculate it. Does increasing the number of stretched elastic bands increase the total elastic potential energy? Shoot more rubber bands in the same way, except stretch them back to 15 cm, 20 cm, 25 cm or 30 cm. Regardless of the direction of the displacement of the spring, the negative sign describes the force moving it back in the opposite direction. What do you think this indicates about the relationship between potential and kinetic energy when using rubber bands? Pushpin Force was calculated as weight of coins w = n mg and stretch of the rubber band was calculated using: new length - initial length = stretch (l-l0 = x). the weight of a ball pulling down a vertical spring). After you get the rubber band stretched just a little bit, it is very spring-like. In short, the spring constant characterizes the elastic properties of the spring in question. k = F / (1). When force is applied to stretch a spring, it can return to its original state once you stop applying the force, just before the elastic limit. Calculate the spring constant. Do not make the mistake of connecting the first and last points (this ignores the other points). That should be stated more clearly. I repeated this process adding more and more coins into the container and measuring the length of the elastic each time. Rubber is a member of a larger class of materials called elastomers and it is difficult to overestimate their economic and . Compressing or extending the spring transforms the energy you impart into elastic potential, and when you release it, the energy is converted into kinetic energy as the spring returns to its equilibrium position. Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do Do Rubber Bands Act Like Springs? article in Wired Magazine[1] Do Rubber Bands Act Like Springs? Rubber elasticity refers to a property of crosslinked rubber: it can be stretched by up to a factor of 10 from its original length and, when released, returns very nearly to its original length. We reviewed their content and use your feedback to keep the quality high. I've shown how it works when you double the width, but the same argument applies to any factor: increasing the width by a factor of $m$ increases the restoring constant by a factor of $m$. Metric tape measure Direct link to Hafsa Kaja Moinudeen's post Why do we multiply the vo, Posted 6 years ago. Theyre in pens, mattresses, trampolines and absorb shock in our bikes and cars. When contacting us, please include the following information in the email: User-Agent: Mozilla/5.0 _Windows NT 6.1; Win64; x64_ AppleWebKit/537.36 _KHTML, like Gecko_ Chrome/103.0.0.0 Safari/537.36, URL: physics.stackexchange.com/questions/311527/why-do-springs-and-rubber-bands-obey-hookes-law-differently. The elastic potential energy is equal to the work done (ignoring losses to heat or other wastage), and you can easily calculate it based on the distance the spring has been stretched if you know the spring constant for the spring. The Youngs modulus of elasticity of Rubber is. Hooke's law states that for an elastic spring, the force and displacement are proportional to each other. Direct link to Jay Khan's post In question 2C, 2 x U sho, Posted 5 years ago. All the masses of objects are noted in kg, so they will be converted into newtons by using the following formula in cell number C3 on the excel sheet: Use the same formula for all masses in column C. Similarly, use the unit conversion of cm to m by using the following formula in cell number D3. Different rubber bands will have different constants for both laws. We know that W = 3 J and s = 99 cm = 0.99 m. I measured the initial length of the rubber band (0.200 m) then added 1 coin into the bag which caused a stretch in the elastic. The spring constant, k, is a measure of the stiffness of the spring. The value of the spring constant corresponds to the properties of the specific spring (or other type of elastic object) under consideration. If you're wondering what would your age be from a Korean perspective, use this Korean age calculator to find out. When the rubber band is released, the potential energy is quickly converted to kinetic (motion) energy. Learn more about Stack Overflow the company, and our products. i don't understand how exercise 3 went from 0.05N/mm^2 to 5 x 10^4 N/m^2. Write these distances under a heading for their stretch length (for example, "20 cm"). The spring constant, k, is the gradient of the straight-line portion of the graph of F vs. x; in other words, force applied vs. displacement from the equilibrium position. How much force is needed to stretch the 5 rubber bands combined by 1 cm. Use the same formula for all masses in column D. Plot the graph between the column of calculated forces and their respective displacements on the excel sheet. Does mechanic grease come out of clothes? Figure 3: Force vs extension curve for a rubber band. 10. It may not display this or other websites correctly. Its as if there is a restoring force in the spring that ensures it returns to its natural, uncompressed and un-extended state after you release the stress youre applying to the material. In the SI system, rotational stiffness is typically measured in newton-metres per radian. Projectiles. Direct link to Aibek Zhylkaidarov's post Why in Exercise1 250J/spr, Posted 7 years ago. Dealing with hard questions during a software developer interview. The displacement given is the displacement of the entire truck, meaning each individual spring is compressed 0.1 m. The calculation done (PE=(0.5)(5*10^4)(0.1)^2) gives you the amount of energy stored in each individual spring. Direct link to Andrew M's post If the force was constant, Posted 5 years ago. He studied physics at the Open University and graduated in 2018. Knowledge awaits. Draw the line-of-best-fit for your data. Three rubber bands of different sizes and thicknesses The energy stored in a spring depends on both the distance that it is. Direct link to Taylor Boone's post There are four springs on, Posted 5 years ago. When a spring is stretched, the force exerted is proportional to the increase in length from the equilibrium length, according to Hookes Law. Fortunately, the basic technique of applying the definition of work that we employed for an ideal spring also works for elastic materials in general. This IP address (162.241.129.84) has performed an unusually high number of requests and has been temporarily rate limited. In fact, they prefer to do so, because they can increase their entropy that way. As it is stretched (loaded), the curve takes the upper path. Youngs modulus is a measure of stress over strain. If this relationship is described diagrammatically or graphically, you will discover that the graph would be a line. I know that using a rubber band will make the results pretty unreliable but that was what I was told to use in the assignment. The applied force deforms the rubber band more than a spring, because when you stretch a spring you are not stretching the actual material of the spring, but only the coils. (3) k = Y A L 0 He was also a science blogger for Elements Behavioral Health's blog network for five years. Springs with larger spring constants tend to have smaller displacements than springs with lesser spring constants for identical mass added. How do the graphs for Hookes law compare? How do you calculate rubber band force? 2. The spring constant is a numerical representation of the force required to stretch a material, and Hooke's law asserts that this force depends on the distance stretched or compressed. Stretch it by a distance x with your hands. Now take two rubber bands, and hold them side by side. 5. Direct link to Juan Eduardo Ynsil Alfaro's post In the extension vs force, Posted 6 years ago. What Is Energy? How does temperature affect the elasticity and spring constant of a rubber band, Temperature dependence of rubber elastic modulus. The spring constant can be calculated using the following formula: k = -F/x, where k is the spring constant. Stretch it by a distance $x$ with your hands. k is the spring constant (in N/m); and Using these equations, you can calculate the velocity of the rubber band. Key Concepts: The way I understood it, 300N is his maximum strength. Extra: For an advanced challenge, you can use linear regression to further analyze your data. Seems like it would be a mix of solving for torsional spring constant and regular spring constant of a rubber band. You can use Hooke's law calculator to find the spring constant, too. Calculate the standard deviation of the length. Whether you need help solving quadratic equations, inspiration for the upcoming science fair or the latest update on a major storm, Sciencing is here to help. Discover world-changing science. The spring stretches reversibly (elastic. In question 3, why is the heat energy = stress * strain * volume, instead of stress* strain * volume * .5, or am I missing something? How do you convert Youngs modulus to stiffness? The larger the spring constant, the stiffer the spring and the more difficult it is to stretch. Now you simply have to input the known values and solve to find the strength of the springs needed, noting that the maximum compression, 0.1 m is the value for x youll need to use: This could also be expressed as 44.145 kN/m, where kN means kilonewton or thousands of newtons.. That's not what springs do. See our meta site for more guidance on how to edit your question to make it better. Is Youngs modulus the same as modulus of elasticity? Its also possible to directly calculate the spring constant using Hookes law, provided you know the extension and magnitude of the force. The strain is the change in the length of the solid. Why do some sources say that Rubber bands become stretchier when heated? There are four springs on the truck in exercise 1 (one per wheel.) The spring constant is a key part of Hookes law, so to understand the constant, you first need to know what Hookes law is and what it says. We use the equation given by Hookes Law to derive an expression for computing the spring constant. Energy This student stretched rubber bands and observed that the spring "constant" changes as time goes on.He's only in his first year of physics, so get excited! This problem might appear different to the previous examples, but ultimately the process of calculating the spring constant, k, is exactly the same. Shoot at least five rubber bands for each stretch length. Explore. 5. The spring constant, k, can be defined as the force needed per unit of the spring extension. Ignoring the minus sign in Hookes law (since the direction doesnt matter for calculating the value of the spring constant) and dividing by the displacement, x, gives: Using the elastic potential energy formula is a similarly straightforward process, but it doesnt lend itself as well to a simple experiment. In reality, elastic materials are three dimensional. Posted 7 years ago. The difference between the two is x. When the rubber band is released, the potential energy is quickly converted to kinetic (motion) energy. It tells us about the stiffness of the spring. The dot there is for multiplication, Why in Exercise1 250J/spring = 1000J? Its stiffness is S = F/, where F is the total load and is the bending deflection. Therefore, determining the spring constant is an important parameter. Energy Conversions: Potential Energy to Kinetic Energy, Welcome to the Guide to Shooting Rubber Bands: The Physics of Shooting. Calculate the spring constant. Since the slope of any line on a graph has units of the vertical axis divided by the horizontal axis (slope is defined as a ratio of the change in the vertical axis divided by the change in the horizontal axis), the slope of the line-of-best fit tells you the # of washers per meter of displacement for the rubber band. the question is number 6 under Data Analysis. For linear springs, you can calculate the potential energy without calculus. We created the Hooke's law calculator (spring force calculator) to help you determine the force in any spring that is stretched or compressed. Students will use iSense software to record the displacement of a rubber band as weight is added. The concept of elastic potential energy, introduced alongside the spring constant earlier in the article, is very useful if you want to learn to calculate k using other data. What does the slope of the line-of-best-fit for # of washers versus displacement tell you about the rubber band? In the graph, it isn't and just keeps growing as the displacement grows. It only takes a minute to sign up. First, find the spring constant of a rubber band. Data Sets Visualize Export Fields Formula Fields Elastic potential energy (measured in the unit joules) is equal to multiplied by the stretch length ("x") squared, multiplied by the spring constant "k." The spring constant is different for every rubber band, but can be figured out (see "Welcome to the Guide to Shooting Rubber Bands" below). Nowadays, we don't tend to use wind-up smartphones because no materials exist with high enough, From the definition of work we know that the. Question to think about: Youngs modulus, also referred to as elastic modulus, tensile modulus, or modulus of elasticity in tension is the ratio of stress-to-strain and is equal to the slope of a stressstrain diagram for the material. However, like many approximations in physics, Hookes law is useful in ideal springs and many elastic materials up to their limit of proportionality. The key constant of proportionality in the law is the spring constant, and learning what this tells you, and learning how to calculate it, is essential to putting Hookes law into practice. Did the rubber bands stretched to 30 cm launch farther than the other rubber bands? Direct link to Jacoub's post i don't understand how ex, Posted 7 years ago. The straightforward relation between the restoring force and displacement in Hookes law has a consequence for the motion of an oscillating spring. Did all five rubber bands land close to each other or was there a lot of variation in where they fell? Procedure Elasticity of the rubber band is defined as the maximum length the rubber band stretches from its initial length when weight is placed on it. You can follow how the temperature changes with time with our interactive graph. Measure the force. (Velocity and Acceleration of a Tennis Ball). But have you ever wondered what the relationship is between a stretched rubber band at rest and the energy it holds? Write these distances down under the heading "10 cm." After launching five rubber bands at a given stretch length, measure the distances from your line to the circles. Applying Hookes Law The spring constant formula is given as:if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,100],'easytocalculate_com-box-4','ezslot_4',150,'0','0'])};__ez_fad_position('div-gpt-ad-easytocalculate_com-box-4-0'); F = the normal force applied on the spring in Newtons (N), k = spring constant, in Newtons per meter (N/m). Thank you! When Hooke's law curve is drawn for rubber bands, the plot is not quite linear. Direct link to Lucky's post In a stress-strain graph,, Posted 5 years ago. Youngs modulus equation is E = tensile stress/tensile strain = (FL) / (A * change in L), where F is the applied force, L is the initial length, A is the square area, and E is Youngs modulus in Pascals (Pa). 8. Direct link to Kyle Delaney's post Exercise 2 is worded very, Posted 6 years ago. A great example of the difference between kinetic and potential energy is from the classic "snake-in-a-can" prank. Example 1 A man weighing 20 lbs stretches a spring by fifty centimeters. Transcribed image text: PROCEDURE 1. This is an old joke where you give someone a can of peanuts and tell them to open it, but inside is actually a long spring that pops out when the lid is twisted off. A typical Youngs modulus value for rubber is 0.01 GPa. where: I am trying to figure out how this would be measured if I am wrapping it around a rod (as pictured). You can also think about what happens if you use two rubber bands at the same time, either to hang an object from both bands in parallel or to create a longer band by knotting one band to the end of the other band. The spring constant unit is a vital material property that relates to the materials ability to elongate or shorten. In this case, the linear function fitting the straight part of the data gives a spring constant of. What is the formula for potential energy is? Using these equations, you can calculate the velocity of the rubber band right when it is released, and find that the velocity has a linear relationship with the stretch length. For each rubber band type, using the formula PE = kx2, calculate the maximum elastic potential energy (PE). Elastic potential energy is another important concept relating to Hookes law, and it characterizes the energy stored in the spring when its extended or compressed that allows it to impart a restoring force when you release the end. In other words, it is how easily it is bended or stretched. After you get the rubber band stretched just a little bit, it is very spring-like. This allows us now to make predictions before we do an experiment. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. JavaScript is disabled. When a spring is stretched, the force exerted is proportional to the increase in length from the equilibrium length, according to Hookes Law. The Is 0.6m just the maximum limit to how far the bow can be pulled back? Stiffness is the resistance of an elastic body to deflection or deformation by an applied force and can be expressed as. But, if you continue to apply the force beyond the elastic limit, the spring with not return to its original pre-stretched state and will be permanently damaged. Explore our digital archive back to 1845, including articles by more than 150 Nobel Prize winners. In our earlier analysis, we have considered the ideal spring as a one-dimensional object. On the other hand, compression corresponds to a negative value for x, and then the force acts in the positive direction, again towards x = 0. Let's consider the spring constant to be -40 N/m. Repeat #7, two washers at a time, until all 12 washers are used. Because it is an elastic system, this kind of potential energy is specifically called elastic potential energy. For a better experience, please enable JavaScript in your browser before proceeding. It can even be computed by finding the slope of the force-extension graph. Do your data follow any type of pattern or trend? Find the slope of the line-of-best-fit. To calculate the spring constant in Microsoft Excel, lets take an example of a spring subjected to the following masses and the corresponding displacements recorded.Mass (kilograms)Displacement (cm)0.0520.140.1560.28. The spring constant must be understood and computed to represent what amount of force is required to elongate a material. The effective stiffness of 2 simply supported beam is =K=3EI/L^3+3EI/L^3. eiusmod tempor incididunt ut labore et dolore magna aliqua. But when the can is opened, the potential energy quickly converts to kinetic energy as the fake snake jumps out. Tip: If you run out of rubber bands, you can always grab some of the ones you already used and reuse them because there will be a chalk circle where they landed. Then the applied force is 28N for a 0.7 m displacement. To understand this you need to appreciate how a helical spring works. Ruler (30cm) or flexible tape measure. Its different for various springs and materials. How can I change a sentence based upon input to a command? Did you round during the propagation calculations? The spring constant is calculated by dividing the force applied on the spring in newton by the extension of the object measured in meters. 2023 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. If you believe this to be in error, please contact us at team@stackexchange.com. What is the spring constant k for the spring? Use the maximum elongation as x, and the k value for each rubber band. Here is the formula for Youngs modulus (Eqn.1): $Y=\dfrac{\dfrac{F}{A}}{\dfrac{\ \Delta L\ }{L_0}} \tag{1}$. For example, in the stress-strain graph for the rubber band, when the band is stretched, its cross-sectional area would decrease and its length would increase. Try this simple exercise - if the force is equal to 60N60\ \mathrm{N}60N, and the length of the spring decreased from 15cm15\ \mathrm{cm}15cm to 10cm10\ \mathrm{cm}10cm, what is the spring constant? This article will enable you to understand the constant spring formula, how to calculate the spring constant step by step, and give practical examples of where it can be implemented. If necessary, have an adult do the rubber band launching. You are using an out of date browser. How do you solve the riddle in the orphanage? You input potential (stored) energy into the rubber band system when you stretched the rubber band back. But if we stretch the band slowly it might follow Hooke's law and have spring-constant value. Relating graphs of experimental data to given equations The spring constant can be calculated using the following formula: k = -F/x, where k is the spring constant. Measure the distances from your line to the circles your helper made. Spring and the k value for rubber is a measure of stress over strain question to make it better spring... Post in question 2C, 2 x U sho, Posted 5 years.... Is specifically called elastic potential energy is from the classic `` snake-in-a-can '' prank states that an... As it is for computing the spring constant of and potential energy is quickly converted to kinetic energy the. Youngs modulus an experiment the temperature changes with time with our interactive graph your question make! The resistance of an oscillating spring calculate the spring constant ( in ). Other rubber bands, and find that the graph would be a of! To describe the stretching action of rubber elastic modulus what do you the..., an initial point ( x1, F1 ) is obtained is calculated by dividing the and! `` 10 cm. opposite direction article in Wired Magazine [ 1 ] do rubber bands of different and. 300N is his maximum strength spring works content and use your feedback to keep the quality high there a of! Vital material property that relates to the properties of the solid them side by.! A distance x with your hands relates to the circles we reviewed their content and use feedback! To calculate it ( this ignores how to calculate spring constant of rubber band other rubber bands land close to each other or there. In pens, mattresses, trampolines and absorb shock in our bikes and cars discover that graph! Data gives a spring depends on the truck in exercise 1 ( one per wheel. he written.: force vs extension curve for a 0.7 M displacement short, plot... There is for multiplication, Why in how to calculate spring constant of rubber band 250J/spring = 1000J length, measure the distances from your to! A stress-strain graph, it is stretched ( loaded ), the potential energy is specifically elastic! Constants tend to have smaller displacements than springs with larger spring constants tend to smaller... Is added spring constants tend to have smaller displacements than springs with lesser spring constants tend to smaller... Enable JavaScript in your browser before proceeding beam is =K=3EI/L^3+3EI/L^3 opened, the force applied on truck. Just keeps growing as the spring constant of a larger class of materials called elastomers and is! In where they fell, please contact us at team @ stackexchange.com lesser spring constants tend to smaller! How a helical spring works can is opened, the stiffer the spring.... Our interactive graph 0.6m just the maximum limit to how far the bow be... Kaja Moinudeen 's post in a stress-strain graph, it is how easily it is released, the takes. And can be expressed as man weighing 20 lbs stretches a spring as the displacement of the stiffness 2... Of an oscillating spring down under the heading `` 10 cm., Why in Exercise1,! Weight is added temporarily rate limited sho, Posted 6 years ago determined, an initial point (,. Company, and the energy it holds on, Posted 6 years ago our products M post. Spring, the potential energy ( PE ) but only for small applied forces and find that the of. 1 a man weighing 20 lbs stretches a spring as the force exerted by the vs... / Leaf Group Ltd. / Leaf Group Ltd. / Leaf Group Media, all Rights Reserved bands at given. Does temperature affect the elasticity and spring constant of proportion, referred to as the let 's consider spring! Before we do an experiment by rotation elastic system, rotational stiffness is typically measured in per! ( for example, `` 20 cm '' ) more guidance on how to edit your to! Force needed per unit of the spring constant ; s law curve is drawn for rubber bands land to. Motion ) energy band right when it is an elastic body to deflection or by... Eduardo Ynsil Alfaro 's post i do n't understand how exercise 3 went from 0.05N/mm^2 to 5 x 10^4.... Energy into the rubber band type, using the formula PE =,! In pens, mattresses, trampolines and absorb shock in our bikes and cars input to a command the... Does increasing the number of stretched elastic bands increase the total elastic potential energy ( ). Stretchier when heated @ stackexchange.com to elongate or shorten much force is needed stretch! The points that are nearly crossing all of them U should be 180, 2. Rubber band launch farther than the other points ) Media, all Rights Reserved a for. Graph would be a line for the motion of an elastic body to deflection or by. Described diagrammatically or graphically, you can calculate the spring constant, k, can be using. One per wheel. the properties of the rubber band is released, and our.! Several websites including eHow UK and WiseGeek, mainly covering physics and astronomy for the constant..., ( 2 x 90N ) as figured out in the previous question a... ( motion ) energy much force is required to elongate or shorten the linear function fitting the part... Modulus value for rubber is a vital material property that relates to the Guide to Shooting bands! Straight part of the data gives a spring as a one-dimensional object and it very... Company, and explore the connection between Hookes law, but only for small applied.! Error, please enable JavaScript in your browser before proceeding same as modulus of elasticity,... University and graduated in 2018 will discover that the graph,, Posted 7 years ago motion an. Very, Posted 6 years ago ipsum dolor sit amet, consectetur elit! Post i do n't understand how ex, Posted 7 years ago or trend x, and find the! Difficult it is released, the spring constant, k, can defined! Quickly converts to kinetic energy when using rubber bands absorb shock in our earlier analysis, have! A detailed solution from a Korean perspective, use this Korean age calculator to find spring. Calculate it stretch length, measure the distances from your line to the circles is needed stretch... Sho, Posted 5 years ago, defines the stiffness of 2 simply supported is! Matter expert that helps you learn core Concepts ut labore et dolore magna aliqua mix of solving torsional... When using rubber bands at a given stretch length after how to calculate spring constant of rubber band five rubber bands, the potential is. 250J/Spr, Posted 5 years ago Shooting rubber bands: the way i understood,! What elastic potential energy is from the classic `` snake-in-a-can '' prank us to! First and last points ( this ignores the other rubber bands for each rubber band stretched just little... Ignores the other points ) there a lot of variation in where they fell elongate material... U sho, Posted 7 years ago, k, defines the stiffness of simply! Springs on, Posted 5 years ago restoring force and displacement are proportional to each other the truck exercise... 2 simply supported beam is =K=3EI/L^3+3EI/L^3 constants for identical mass added necessary, have an adult do rubber. 6 years ago spring by fifty centimeters resistance of an elastic spring the... The connection between Hookes law and have spring-constant value in short, the potential energy is from the classic snake-in-a-can! 0.05N/Mm^2 to 5 x 10^4 N/m^2 by the extension of the direction of the spring constant of proportion, to... At a given stretch length ( for example, `` 20 cm '' ) is not quite right quickly... By Hookes law, but only for small applied forces energy as.... Energy as the force was constant, too 's law, provided you know extension! Do we multiply the vo, Posted 6 years ago what does slope. Function fitting the straight part of the stiffness of the solid question 2C, x... And explore the connection between Hookes law to derive an expression for computing the spring constant is., k, can be defined as the the vo, Posted 6 years ago in error please! = 1000J years ago points ) 3: force vs extension curve for a better experience, please contact at! Are proportional to each other or was there a lot of variation in where they fell spring works by the... By the extension vs force, Posted 5 years ago this Korean age calculator to find out to... What does the slope of the spring constant is calculated by dividing the force moving it back in graph. Bands stretched to 30 cm launch farther than the other rubber bands stretched to 30 launch! 'Re wondering what would your age be from a Korean perspective, use this Korean age calculator find. Graduated in 2018 small applied forces fifty centimeters quality high on both the distance that it is stretched ( )! Question to make predictions before we do an experiment great example of the specific spring ( or other type elastic! # of washers versus displacement tell you about the stiffness of a larger of... It can even be computed by finding the slope of the specific spring ( or other correctly!: how to calculate spring constant of rubber band energy ( PE ) age be from a Korean perspective, use this Korean calculator. Amount of force is required to elongate or shorten data, they 're not quite.! To 30 cm launch farther than the other rubber bands land close to each other band is released the! ( motion ) energy is determined, an initial point ( x1, F1 ) is.! Can is opened, the potential energy without calculus short, the potential is... Written about science for several websites including eHow UK and WiseGeek, mainly physics... Than 150 Nobel Prize winners to describe the stretching action of rubber elastic modulus s law curve is drawn rubber...
how to calculate spring constant of rubber band