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Elasticity and Deforming Force Quiz

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Questions and Answers

What is the definition of a perfectly elastic body?

A body that regains its original shape only if the deforming force is large

A body that does not regain its original shape after the removal of deforming force

A body that regains its original shape only if the deforming force is small

A body that regains its original shape completely after the removal of deforming force irrespective of its magnitude (correct)

What is the definition of a perfectly rigid body?

A body which can be deformed under the action of applied force

A body which changes shape when a deforming force is applied

A body which regains its original shape after the removal of deforming force

A body which is not deformed under the action of applied force (correct)

What is the definition of an elastic body?

A body that remains deformed after removing deforming force

A body having the property of regaining its original shape after removing deforming force (correct)

A body that cannot regain its original shape after removing deforming force

A body that changes shape when a deforming force is applied

What is the definition of restoring force?

<p>The force developed within the elastic body on account of relative molecular displacement</p> Signup and view all the answers

What is the definition of a deforming force?

<p>When a force is applied to a body and there is change in the shape of the body</p> Signup and view all the answers

Study Notes

Elastic and Rigid Bodies

A perfectly elastic body is an idealized object that regains its original shape and size completely when the external force is removed, with no energy loss during deformation and recovery.
A perfectly rigid body is an idealized object that maintains its shape and size unchanged, even when an external force is applied, with no deformation occurring.
An elastic body is an object that regains its original shape and size partially when the external force is removed, with some energy lost during deformation and recovery.

Forces in Deformation

Restoring force is the internal force developed within an object that tries to return it to its original shape and size after deformation, opposing the deformation caused by an external force.
A deforming force is an external force that causes a change in the shape or size of an object, resulting in deformation.

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Description

Test your knowledge on the concepts of elasticity and deforming force with this quiz. Learn about the properties of elastic bodies and the behavior of materials when subjected to deforming forces.