• 1. 
    Planetary scientists are mostly physicists.

  • TRUE
  • FALSE
  • 2. 
    Heavier objects fall more rapidly than light objects.

  • TRUE
  • FALSE
  • 3. 
    The first Nobel Prize winner in physics was Wilhelm Röntgen.

  • TRUE
  • FALSE
  • 4. 
    Isaac Newton was inspired to think about gravity by watching an apple fall.

  • TRUE
  • FALSE
  • 5. 
    When a racket hits a ball, the force exerted by the racket is greater than the force exerted by the ball.

  • TRUE
  • FALSE
  • 6. 
    Space-time involves four dimensions.

  • TRUE
  • FALSE
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