Stack #60626
Help!
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| projectile motion | the curved path an object follows as it is thrown or propelled near the surface of the earth
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| machine | a device that hepls do work
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| lever | a bar that pivots at a fixed point called a fulcrum
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| inclined plane | a ramp
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| air resistance | fluid friction that opposes motion of an object through air
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| compound machine | amachine made up of more than one simple machine
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| fulcrum | a bar that pivots at a fixed point on a lever
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| work input | the work you do to a machine
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| work output | the work a machine does
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| wheel and axle | a simple machine that consists of two wheels of different sizes
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| weight | measure of gravitational pull
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Created by:
MadelynI