Physics Work Fundamentals Quiz
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Questions and Answers

What is the equation for work when a constant force is aligned with the direction of motion?

  • $W = F \div d$
  • $W = F + d$
  • $W = F \cdot d$ (correct)
  • $W = F - d$

    • When does a force do negative work?

  • When it is applied vertically
  • When it is applied horizontally
  • When it has a component in the direction of the displacement
  • When it has a component opposite to the direction of the displacement (correct)

    • When does a force do positive work?

  • When it is applied horizontally
  • When it has a component in the direction of the displacement (correct)
  • When it is applied vertically
  • When it has a component opposite to the displacement

    • In the example of dropping a ball, what type of work is done by the gravitational force?

    <p>Positive work</p> Signup and view all the answers

    In the example of throwing a ball upwards, what type of work is done by the gravitational force?

    <p>Negative work</p> Signup and view all the answers

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