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Force

  •  English    20     Public
    Science
  •   Study   Slideshow
  • Force is define as a push only. True or False
    False
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  • Forces can change of the object’s motion. true or false
    true
  •  15
  • Place the baseball on a table and if you push it a little bit, it will roll forward quickly. True or False
    False
  •  15
  • If we push the ball harder, we are applying less force. True or False
    False
  •  15
  • The ball is rolling. If we place the cover of notebook at a slight angle in the path of rolling ball,the ball’s direction will not change. True or False
    False
  •  15
  • Our baseball that is on the table is now rolling . If we place our hand infront of it the ball will stop. True or False
    True
  •  15
  • We can say that the force can set a stationary object into motion. True or False
    True
  •  15
  • How is an object’s motion change?
    A force is applied to it.
  •  15
  • In what ways can motion be changed by a force?
    Motion can change in speed or direction.
  •  15
  • When have you experienced unbalanced forces?
    Playing See-saw
  •  15
  • What is friction?
    A force that occurs when one object rub against another.
  •  15
  • How is friction helpful?
    It helps breaks stop a bike, it helps shoes push off the floor to walk.
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  • What types of surfaces typically have least friction between them?
    Smooth or slippery surface
  •  15
  • Explain a time that you experienced little friction.
    Sliding
  •  15
  • How can you increase friction?
    Rough or sticky materials to increase friction.
  •  15
  • What action could cause an object to move forward?
    Push force
  •  15