Forces and Their Impact
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Questions and Answers

Which of the following is true about force in physics?

  • Force is a scalar quantity.
  • Force can only cause an object to accelerate.
  • Force is not important in classical mechanics.
  • Force is represented by the symbol F. (correct)

    • What is the SI unit of force?

  • Kilogram (kg)
  • Joule (J)
  • Newton (N) (correct)
  • Watt (W)

    • Which of Newton's laws of motion relates force, mass, and acceleration?

  • Fourth law
  • Third law
  • Second law (correct)
  • First law

    • What is the rotational version of force called?

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

    What are some types of forces encountered in classical mechanics?

    <p>Elastic, frictional, and contact forces</p> Signup and view all the answers

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