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Force & Motion Unit Review

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  • Friction is an example of a ____ force.
    PUSHING
    PULLING
  • .
    D
  • The amount of matter that an object is made of is known as________.
    mass
  • The amount of distance something goes in a time period
    speed
    acceleration
    movement
  • .
    Green, because it went the farthest
  • .
    A
  • The amount of space between 2 objects.
    distance
  • True or False? A computer sitting on a table is an example of a balanced force.
    FALSE
    TRUE
  • .
    Friction
  • An object at rest will stay at rest and an object in motion will stay in motion with the same speed and direction unless acted upon by an unbalanced force.
    inertia
  • When a soccer ball is kicked. What would we say of the force?
    balanced
    unbalanced
  • True or False? A marble rolling across the floor is an example of an unbalanced force.
    TRUE
    FALSE
  • .
    Box 4
  • What is the rubbing force that creates heat, and slows down an object?
    friction
  • Sir Isaac Newton was known for what accomplishment?
    Newtons 3 laws and discovery of gravity
  • forces acting in EQUAL and OPPOSITE directions. Creating NO MOTION.
    balanced force
  • How does the law of inertia affect the passengers on a train that is suddenly slowing down?
    They are abruptly pushed forward as their body wants to continue at the same speed as the train was traveling.
  • .
    B
  • True or False? Applying more friction to a toy car will slow it down.
    TRUE
    FALSE
  • Does ice have more or less friction than sand?
    less
  • 2 or more forces where one force is stronger than the other. This results in the object moving.
    unbalanced force
  • The greater the _____ of an object, the more force it will take to accelerate the object.
    mass
  • .
    It will move faster since it has less mass
  • what are the two forces that stop an object in motion?
    gravity and friction
  • .
    C
  • For every action, there is an equal and opposite ________
    reaction