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OIC5 - Review Science Final 2

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  • The ground supports the person standing on it.
    normal force
  •  15
  • Two people hold hands together.
    friction
  •  5
  • A person pulls a box.
    applied force
  •  20
  • A person falls slower when spreading arms and legs.
    air resistance
  •  25
  • What unit is force measured in?
    Newtons
  •  15
  • Mass is the force of gravity acting on an object. (True/ False)
    False
  •  15
  • Friction slows down moving objects. ( True/ False)
    False
  •  25
  • Balanced forces change the state of motion of the object. (True/ False)
    False
  •  15
  • Rough surfaces create more friction than smooth surfaces. ( True/ False)
    True
  •  25
  • Why do some objects sink? An object will sink if the upthrust force acting on it is ………………........... than its weight.
    If the upthrust force acting on it is smaller than its weight.
  •  25
  • Why do some objects float? An object floats if the upthrust force acting on it is ...................... than its weight.
    An object floats if the upthrust force acting on it is greater than its weight.
  •  25
  • The amount of matter in an object.
    mass
  •  5
  • Measured in Newtons.
    weight
  •  15
  • Measured in kilograms.
    mass
  •  25
  • It changes depending on the strength of gravity acting on mass weight the object.
    weight
  •  20
  • Which is the force that attracts objects to the centre of the Earth?
    gravity
  •  20