1) Restoring force per unit area is known as ________. a) Stress b) Strain c) Displacement d) None of these 2) A change in the shape or size of a body caused by a deforming force is called ________. a) Stress b) Strain c) Restoring Force d) Elasticity 3) Hooke's Law states that : a) Stress ∝ Strain b) Restoring Force ∝ Stress c) Force ∝ Strain d) None of these

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