Work and Energy Transfer Quiz
10 Questions
3 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

According to the text, work in physics is a scalar quantity. What does this mean?

  • Work is a vector quantity.
  • Work is a scalar quantity. (correct)
  • Work can be positive or negative.
  • Work has magnitude and direction.

    • What is the formula for calculating work?

  • $W = F \cdot d$ (correct)
  • $W = F \times d$
  • $W = Fd$
  • $W = F/d$

    • When is work considered zero?

  • When the work formula is not applicable.
  • When the displacement is zero.
  • When the angle between the force and displacement vectors is zero degrees. (correct)
  • When the force is zero.

    • Which of the following is true about the relationship between the force and displacement vectors in positive work?

    <p>The force and displacement vectors are parallel</p> Signup and view all the answers

    What is the angle between the force and displacement vectors in negative work?

    <p>180 degrees</p> Signup and view all the answers

    What is the angle between the force and displacement vectors in zero work?

    <p>90 degrees</p> Signup and view all the answers

    What is the work done by the chocolate box traveling at 12 m/s with a weight of 0.5 kg?

    <p>0 J</p> Signup and view all the answers

    Which one of the following is true about work?

    <p>All of the above options are true.</p> Signup and view all the answers

    Which of the following examples represents positive work?

    <p>Kicking a ball in motion.</p> Signup and view all the answers

    Which of the following examples represents zero work?

    <p>Carrying a box.</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser