General Physics quiz

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1. What is Newton's definition of a force?

  • A force is any influence which causes an object to change shape, movement or structure.
  • One newton
  • The influence required to give a mass of 1kg an acceleration of 1ms-2
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Other questions in this quiz

2. What is the difference in magnitude of the Earth's gravity between the equator and the poles?

  • 0.052
  • 0.086
  • 1.459

3. What is the radius of the Earth?

  • 6.4x10^7 metres
  • 6.4x10^6 metres
  • 5.3x10^6 metres

4. What is the value of the Universal Gravitational Constant?

  • 6.42x10^-11
  • 6.67x10^-11
  • 6.67x10^-12

5. What is centrifugal force?

  • The force giving an object a circular motion.
  • The reaction force to centripetal force.
  • The force pulling an object toward the edge of a circular motion.

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