ACTIVITIES ON FORCE, MASS AND WEIGHT

  1.       What is force?
  2.       What is the unit of force?
  3.       What is the formula for calculating force?
  4.      A boy lifts a 20kg box up. What amount of push/pull did he use to lift the object up? (take acceleration due to gravity , g = 10m/s2)
  5.       What is the force caused by the gravitational attraction of the earth called?
  6.     What is the force that always opposes the motion of two objects rubbing the surface of each other called?
  7.       What is the difference between mass and weight?

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