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10 Cards in this Set
- Front
- Back
Work
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Moving an object under the influence of a force
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d
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change in position of an object(distance or displacement)
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F
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applied force(measured in newtons)
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Work formula
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W=Fxd
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Simple Machines
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machines with only one or too parts
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Six forms of simple machines
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Lever,wheel and axle, pulley, inclined plane, wedge, screw.
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Lever
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a rigid bar capable of turning around a fixed point
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Fulcrum
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the fixed point upon which a level turns
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Law of moments
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w1xd1=w2xd2
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Torque
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when effort and resistance on a lever are not at equilibrium
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