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forces and motion

  •  English    25     Public
    science
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  • .........................is a change in position.
    Motion
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  • A ..................is a push or a pull.
    force
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  • ................depends on the position of the object being moved and the position from which the force is applied.
    force
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  • A collision is a contact force. true or false
    true
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  • A ..................... is a push or a pull applied by objects in contact with each other.
    ..contact force
  •  15
  • Magnetic forces and electrical forces also act from a distance. true or false
    true
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  • In an ............................collision, objects bounce away from each other. This happens when two rubber balls collide.
    elastic
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  • In an ..........................collision, the colliding objects stick together.
    inelastic
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  • .............tells you how fast an object is moving.
    Speed
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  • .............tells you how fast an object is moving.
    Speed
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  • ........................describes an object’s speed and its direction of motion.
    Velocity
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  • UnBalanced forces cancel each other out when acting together on a single object. true or false
    false
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  • ....................... are forces that cause motion.
    Unbalanced forces
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  • ....................is the tendency of an object at rest to stay at rest and of a moving object to keep moving.
    Inertia
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  • Newton’s law of inertia is also called Newton’s second law of motion. true or false
    false
  •  15
  • .......................is a contact force that surfaces exert against each other.
    Friction
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