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What is Hooke's law of elasticity?
What did Robert Hooke discover about elasticity?
What does Hooke's law say about the extension of a spring?
What is Hooke's law in physics?
Steel exhibits linear-elastic behavior in most engineering applications; Hooke's law is valid for it throughout its elastic range (i.e., for stresses below the yield strength). For some other materials, such as aluminium, Hooke's law is only valid for a portion of the elastic range.
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We can use Hooke's law to find the maximum extension force. This corresponds to the minimum elastic limit that we need our spring to have. F = k x = ( 196 N/m ) ⋅ ( 100 ⋅ 10 − 3 m ) = 19.6 N
- 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...
Apr 9, 2024 · Hooke’s law, law of elasticity discovered by the English scientist Robert Hooke in 1660, which states that, for relatively small deformations of an object, the displacement or size of the deformation is directly proportional to the deforming force or load. Under these conditions the object returns to its original shape and size upon removal ...
- The Editors of Encyclopaedia Britannica
Hooke’s law, also referred to as the law of elasticity, was discovered by an English scientist named Robert Hooke in the year 1660. Hooke’s law basically states that “When an object has a relatively small deformation, the size of the deformation is directly proportional to the deforming load or force.”
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- What property is described by Hooke’s Law?Hooke’s law explains the property of elasticity.
- What is the limitation of Hooke’s law?While Hooke’s law is applicable to any elastic object, it is not valid beyond the elastic limit of any material. Hooke’s law only works within a li...
- Why is Hooke’s law sometimes negative?The negative sign is customarily added in Hooke’s law formula. This is done mainly to signify that the restoring force due to the spring is in th...
In mechanics (physics), Hooke’s law is an approximation of the response of elastic (i.e., springlike) bodies. It states: the extension of a spring is in direct proportion with the load applied to it.
Sep 30, 2021 · Hooke’s law states that for small displacement or deformations of an object, the displacement or deformation is directly proportional to the applied force or load. Hooke’s law can explain many mechanical properties and the strength of elastic materials.
Hooke’s law states that the strain of the material is proportional to the applied stress within the elastic limit of that material. When the elastic materials are stretched, the atoms and molecules deform until stress is applied, and when the stress is removed, they return to their initial state.
