demonstrate and calculate how unbalanced forces change the speed or direction...
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Unbalanced force | a set of forces exerted on an object that change the motion of that object; the combined force has size and direction
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| Speed | a measure of how fast something moves; rate of motion
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| Direction | the path that something takes, the path that must be taken to reach a specific place, the way in which something is starting to develop or the way you are facing.
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| Motion | an object's change in position relative to a reference point
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| Force | a push or pull exerted on an object; force has size and direction
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| Acceleration | the rate at which velocity changes over time; an object accelerates if its speed, direction, or both change
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| Mass | is a property of a physical system or body, giving rise to the phenomena of the body's resistance to being accelerated by a force and the strength of its mutual gravitational attraction with other bodies
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| Net force | the combination of all of the forces acting on an object
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| Constant speed | object will cover the same distance every regular interval of time.
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| Newton | the SI unit for force
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| Friction | a force that opposes motion between two surfaces that are in contact
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| Frictionless | not impeded by or creating friction; smooth.
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Created by:
sstall
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