Elasticity and Inelasticity Quiz
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Questions and Answers

What is bone density or bone mineral density (BMD) used as an indicator of in clinical medicine?

  • Risk of cancer
  • Risk of heart disease
  • Risk of fractures (correct)
  • Risk of diabetes
  • What is the term used to describe the change in shape of a body under stress?

  • Tensile strength
  • Strain (correct)
  • Compressive modulus
  • Shear resistance
  • What is the main purpose of bone density measurements?

  • Diagnosing osteoporosis and bone diseases (correct)
  • Checking for diabetes
  • Assessing cancer risk
  • Diagnosing heart conditions
  • How is bone mineral density test typically performed?

    <p>By scanning the lower spine or hip</p> Signup and view all the answers

    If two forces act on a body tangentially on its upper and lower surfaces, what type of stress is generated?

    <p>Shear stress</p> Signup and view all the answers

    What does bone density express in terms of measurement?

    <p>Amount of bone minerals in a given volume of bone tissue</p> Signup and view all the answers

    What is the term for bodies that do not return to their original state after the force acting on them disappears?

    <p>Completely Plastic bodies</p> Signup and view all the answers

    In a compressive scenario, what ratio generates compressive stress?

    <p>Force and area</p> Signup and view all the answers

    What is the property of a body that enables it to regain its original shape and size after the forces affecting it have disappeared?

    <p>Elasticity</p> Signup and view all the answers

    How is fluid stress calculated in vessels containing liquid or gas?

    <p>Force/Area (by the piston)</p> Signup and view all the answers

    In the context of stress, what is the symbol used to represent the force acting on a unit area?

    <p>S</p> Signup and view all the answers

    Which physical concept expresses the amount of force acting on a unit area in a body?

    <p>Stress</p> Signup and view all the answers

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