Mechanical Properties of Solids Quiz

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Questions and Answers

What is the property of an object that allows it to regain its original configuration after the deforming force is removed?

  • Rigidity
  • Elasticity (correct)
  • Flexibility
  • Plasticity

Which type of body can immediately and completely regain its original configuration after the deforming force is removed?

  • Plastic body
  • Perfectly elastic body (correct)
  • Flexible body
  • Rigid body

What is the term for a force that produces a change in size or shape of an object when applied?

  • Elastic force
  • Tensile force
  • Deforming force (correct)
  • Restoring force

What property is attributed to a body that does not have the capability to regain its original size and shape completely and immediately after the deforming force is removed?

<p>Plasticity (D)</p> Signup and view all the answers

What is the term for a hard solid object having a definite shape and size?

<p>Rigid body (A)</p> Signup and view all the answers

Define a rigid body and explain why even the strongest rigid steel bar can be deformed.

<p>A rigid body refers to a hard solid object with a definite shape and size. Even the strongest rigid steel bar can be deformed when a sufficiently large external force is applied, suggesting that solid bodies are not perfectly rigid.</p> Signup and view all the answers

What is a deforming force and what effect does it have on an object?

<p>A deforming force is a force that produces a change in the configuration (size or shape) of the object when applied.</p> Signup and view all the answers

Explain the concept of elasticity and provide an example.

<p>Elasticity refers to the property of an object to regain its original configuration after the deforming force is removed. An example is a rubber band snapping back to its original shape and length after being stretched and released.</p> Signup and view all the answers

What are perfectly elastic bodies and provide an example?

<p>Perfectly elastic bodies are those that have the capability to immediately and completely regain their original configuration after the deforming force is removed. An example is quartz fiber.</p> Signup and view all the answers

Define plasticity and provide an example of a plastic body.

<p>Plasticity refers to the property of a body that does not have the capability to immediately and completely regain its original size and shape after the deforming force is removed. An example of a plastic body is a material that undergoes permanent deformation when a force is applied.</p> Signup and view all the answers

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