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Restoring force
- The spring force can be quantified using Hooke’s law. According to this law, when a spring stresses or compresses, the restoring force F is proportional to the displacement x. F ∝ x
www.sciencefacts.net › spring-forceSpring Force: Definition, Formula, and Examples - Science Facts
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Mar 12, 2024 · The simplest type of oscillations and waves are related to systems that can be described by Hooke’s law: F = −kx, F = − k x, where F F is the restoring force, x x is the displacement from equilibrium or deformation, and k k is the spring constant of the system.
Dec 11, 2020 · The force can be measured using a spring tester. The magnitude of the spring constant is given by, k = F/x. Suppose F = 1 N and x = 1 m, then. k = 1 N/ 1 m = 1 N/m. Therefore, the spring constant is defined as the force required to displace the spring by one meter. It has a unit of Newton per meter (N/m) and a dimension given by MT -2.
F = − k x. Where F is the force, x is the length of extension/compression and k is a constant of proportionality known as the spring constant which is usually given in N/m .
- What is nominal length?nominal length = original/initial length
- I didn't understood what that minus in formula was for?It just tells us that the exerted by the spring will be in the opposite direction to the force applied.
- The spring constant is the same for all springs or different? explain.It varies between spring to spring, depending on what it is made of, the shape of the spring, and the width of the wire.
- is spring constant is same on another planet?gravity won't change the rigidity of the spring, so I think it is the same on other planets
- I have a question on example 2a. If the nominal length is 50mm, and the compression is of 50mm then ...The nominal length is 50m. But the spring is being extended not compressed and therefore, the formula is L = Li + x= 50 mm +50 mm = 100 mm
- I don't understand what the length notations of springs refers to. For example, strain is defined as...The spring has some length when it is relaxed, right? That's the initial length.
- Why is k=E.A/L? if we put K = -F.x and E=stress/strain = (F/A)/(x/L) = F.L/(A.x) then we get -F.x = ...I think we are only interested in the absolute value. You need not include the negative sign.
- in exercise 1, when we divided F over K, why the K isn't negative as hooke's law said?Hooke's law doesn't say that the constant k is negative. The negative sign is only saying that the force is in the opposite direction of the displa...
- In exercise 1, how come the F (force) is equal to mg, not mgh? When the person steps on, there is st...I think you're confused as to the difference between gravitational force and potential energy. Close enough to the Earth's surface, we always feel...
In SI units, displacements are measured in meters (m), and forces in newtons (N or kg·m/s 2). Therefore, the spring constant k, and each element of the tensor κ, is measured in newtons per meter (N/m), or kilograms per second squared (kg/s 2).
Discover the phenomena of springs and Hooke's Law. Explore how force applied to a spring results in compression or elongation, and how this relationship is linear. Uncover the concept of restorative force and how it counteracts applied force, keeping our spring in equilibrium. Created by Sal Khan. Questions. Tips & Thanks.
- 10 min
- Sal Khan
- I have a simple question: On a microscopic level, what force(s) makes the spring want to restore its...The equilibrium position of the string minimizes the potential energy of the metal atoms from which the spring is constructed. I don't know how muc...
- What are elastomers ? Please help. Thank you.Elastomers are polymers that are designed to be highly elastic (they can stretch far without breaking). For example, yoga pants, running tights, ny...
- What does the constant K of the spring determine ? Does it vary from spring to spring depending on t...K is a constant that represents the elasticity of a spring (and therefore stiffness). It varies between spring to spring, depending on what it is m...
- As Sal explained in the video that the restoring for is ' F = -kx", he also take the restoring force...Sal is right. If k has a big value, you will have to apply a huge force to cause a small displacement. But that also means (k having a big value) t...
- well what does x stand for?x is the displacement of the spring's end from its equilibrium point - how much the spring is stretched (or, in the other direction, compressed)
- I have a query regarding springs in a series combination. Say, there's a thread attached to the ceil...great point. yes, usually we have 'mass-less' springs... ie their mass is very very small compared to the mass being suspended by the springs. OR w...
- I saw F= k*x^2/2 what is that different from Hooke's law?I believe you mean U = k*x^2/2. This is equivalent to Hooke's law. (U is potential energy stored by spring device)
- Are the units for "K" kg/s^2 ? In that case does the number have this units for an experimental reas...F = kx. What MUST the units of k be if x is in meters and F has to be in Newtons? That's how constants work.
Spring constant (k ) Measure of a spring’s stiffness, where a more stiff spring has a larger k . SI units of N m . Spring force (F → s ) Force applied by a spring given by Hooke’s law. SI units of N . Elastic potential energy (U s ) Potential energy stored as a result of applying a force to deform a spring-like object.
