Physical Science Activity: Motion and Friction Quiz
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Questions and Answers

Who claimed that heavy and light objects drop in the same way?

  • Ptolemy
  • Copernicus
  • Aristotle (correct)
  • Galileo
  • What is the free fall acceleration on earth?

  • 32.2 m/s2
  • 0 m/s2
  • 1.62 m/s2
  • 9.81 m/s2 (correct)
  • How does friction affect speed?

  • more friction increases speed
  • less friction decreases speed
  • less friction doesn't affect speed
  • more friction decreases speed (correct)
  • Which of the following is an example of natural motion according to Aristotle?

    <p>A smoke rises</p> Signup and view all the answers

    Who was the first astronomer to suggest that the Earth rotates on its axis?

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

    Which form of motion always follows a curved path?

    <p>Natural motion</p> Signup and view all the answers

    What is the nature of the motion of an object moving with a constant velocity?

    <p>Free Fall Motion</p> Signup and view all the answers

    What is the rate of change in acceleration?

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

    What happens to the velocity of a ball as it is dropped off a cliff?

    <p>It increases at a uniform rate</p> Signup and view all the answers

    What is the velocity of a ball with a weight of 20 N just as it reaches the top of its path when thrown vertically upward?

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

    Which law explains the phenomenon when a magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them?

    <p>Law of inertia</p> Signup and view all the answers

    Which phenomenon was known only with the aid of a telescope?

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

    Which view about the nature of light did Isaac Newton support?

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

    What do you call the bouncing of light as it strikes a surface?

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

    Which of the following situations will cause light to bend?

    <p>When light strikes a surface obliquely and passes from one medium to another.</p> Signup and view all the answers

    Why does a black object appear black?

    <p>All the components of light are absorbed by the object.</p> Signup and view all the answers

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