Speed and Motion
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Questions and Answers

What is the SI unit of speed?

  • Metre per second (correct)
  • Centimetre per second
  • Kilometre per hour
  • Metre per hour

    • What does the signboard in Fig. 7.2(b) indicate?

  • The rate of motion of an object (correct)
  • The average speed of an object
  • The time taken by an object to cover a distance
  • The distance travelled by an object

    • What does it mean if the bowling speed is 143 km h–1 in Fig. 7.2(a)?

  • The time taken by the bowling ball to cover a distance
  • The rate of motion of the bowling ball (correct)
  • The average speed of the bowling ball
  • The distance travelled by the bowling ball

    • How is speed measured?

    <p>By finding out the distance travelled by an object in unit time</p> Signup and view all the answers

    What does the speed of an object represent?

    <p>The rate of motion of the object</p> Signup and view all the answers

    Which academic discipline is considered one of the oldest, and includes the study of matter, its motion, energy, and force?

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

    What is the main goal of physics?

    <p>To understand how the universe behaves</p> Signup and view all the answers

    Which scientist specializes in the field of physics?

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

    Which scientific disciplines emerged as unique research endeavors in their own right during the Scientific Revolution in the 17th century?

    <p>Physics and Chemistry</p> Signup and view all the answers

    Which statement about the boundaries of physics is true?

    <p>Physics intersects with many interdisciplinary areas of research</p> Signup and view all the answers

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