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Friction Force

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  • Without friction, an object in motion would never stop. TRUE or FALSE
    True
  • When we rub our hands together _________.
    frictional force works between them/ our hands become warm/ energy is released
  • The rougher the surface, the faster an object will travel over the surface. TRUE or FALSE
    False
  • What is gravitational force?
    pulling force
  • Rough surfaces have _________friction
    greater or higher
  • The direction of force of friction is always _____ to the direction of motion.
    opposite
  • A ________ uses force to move an object away from you.
    push
  • __________ is any push or pull on an object.
    Force
  • When most objects with smooth surfaces rub, there is less friction. TRUE or FALSE
    True
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