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Its all about gravity and Friction

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  • Weight and mass are the same thing. (True or False)
    False
  • There is no gravity in outerspace. (True or False)
    False
  • Which type of friction occurs when objects are not moving?
    static friction
  • Heavier objects fall faster (True or False)
    False
  • The Moon is stuck in orbit around the Earth, due to Earth's gravity. (True or False)
    True
  • Friction is a force that acts in an ___________ direction of movement.
    opposite
  • Wheels of a shopping cart would be an example of which type of friction?
    Rolling Friction
  • Which type of friction occurs when solid surfaces slide over each other?
    sliding friction
  • Sally sliding down the slide would be an example of which type of friction?
    Sliding friction
  • How does friction affect speed?
    more friction decreases speed
  • Which type of friction occurs when an object moves through a liquid or gas?
    fluid friction
  • Objects balanced on Timmy's head would be an example of which type of friction?
    Static Friction
  • Without Gravity we would all what?
    be weightless, weightless, floating
  • Which type of friction occurs when an object rolls over or rotates on a surface?
    Rolling friction
  • Without Gravity the Earth would not orbit the Sun? (True or False)
    True
  • Gravity pulls down? (True or false)
    false
  • Gravity exists between all objects that have mass (True or False)
    True
  • What is gravity?
    The force that pulls objects to the ground
  • When most objects with smooth surfaces rub, there is less friction. (True or False)
    True
  • Who discovered Gravity?
    Sir Isaac Newton