Hooke's law defines (a) stress (b) strain (c) modulus of elasticity (d) elastic limit
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(a)Stress
The force acting on unit area at the surface of a body is called stress .
stress = Force \ Area
(b) strain
A comparison of such a charge caused by the stress with the original length volume or shape is called as strain.
Strain = Change in length \ Original length
Hooke's law
The strain produce in a body by the stress applied to it is directly proportional to the stress with in the elastic limit of the body
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