Hooke's Law and Modulus of Elasticity
Hooke's Law and Modulus of Elasticity: Overview
In this topic, we will understand Hooke’s law related to the mechanical properties of solids. It also explains linear relationships of stress and strain along with modulus of elasticity.
Important Questions on Hooke's Law and Modulus of Elasticity
A steel wire and a copper wire, identical in all respects are to be stretched equally. On which wire more work has to be done.
Write down the relation connecting elastic constants.
What are elastic constants?
What happens to the maximum load a wire can bear when the wire is cut into half?
What happens to the extension, a wire can bear when the wire is cut into half?
What is compressibility?
What is the condition under which Hooke's law holds good?
Distinguish between elasticity and plasticity.
State Hooke's law.
Rigidity is defined as the property exhibited by the _____to change in its shape.
Shear Modulus (Modulus of rigidity) is defined as the ratio of shear stress to the shear strain.
What do you mean by Young's modulus and rigidity of modulus?
What is significance of Young's modulus of elasticity?
What is the meaning of negative sign in bulk modulus?
What is significance of Young's modulus?
When a wire is loaded beyond the elastic limit and then reloaded. The work done disappears completely as heat.
The elastic behaviour of a body can be turned into plastic behaviour under the larger deforming force.
What do you understand by the plastic deformation of a body?
The dimensional formula of Young's modulus is . The value of is _____.
What is Plasticity?
