Physics Chapter: Elasticity and States of Matter
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Questions and Answers

What occurs when external forces are removed from an object that returns to its original shape and size?

  • Brittle behavior
  • Ductile behavior
  • Plastic behavior
  • Elastic behavior (correct)

    • What is the unit of measure for stress?

  • Pascal (correct)
  • Meter
  • Joule
  • Newton

    • How is elastic modulus calculated?

  • Elastic Modulus = $ rac{Stress}{Strain}$ (correct)
  • Elastic Modulus = $Stress - Strain$
  • Elastic Modulus = $Stress + Strain$
  • Elastic Modulus = $ rac{Strain}{Stress}$

    • What does strain measure in materials?

    <p>Degree of deformation</p> Signup and view all the answers

    What happens to materials that are not elastic when external forces are removed?

    <p>They remain deformed permanently.</p> Signup and view all the answers

    What characterizes the state of matter known as solids?

    <p>They have strong bonds that make them rigid and difficult to deform.</p> Signup and view all the answers

    What happens to a solid when external forces are applied?

    <p>It can return to its original shape when the force is removed.</p> Signup and view all the answers

    Which statement best describes the volume of liquids?

    <p>Liquids have a fixed volume but their shape changes based on the container.</p> Signup and view all the answers

    How do gas molecules behave in relation to each other?

    <p>They are widely spaced and experience virtually no intermolecular bonds.</p> Signup and view all the answers

    What can happen to a solid when it experiences a large enough external force?

    <p>It might permanently deform or break.</p> Signup and view all the answers

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