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7 Cards in this Set
- Front
- Back
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Inclined Plane Wedge |
a flat, sloped surface A device that is thick at one end and tapers to a thin edge at the other end |
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Screw Lever |
this can be thought of as an inclined plane wrapped around a cylinder a rigid bar that is free to pivot, or rotate, on a fixed point |
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Fulcrum Wheel and axis |
The fixed point that a lever pivots around a simple machine made of two circular or cylindrical objects fastened together that rotate about a common axis |
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Pulley Compound Machine |
a simple machine made of a grooved wheel with a rope or cable wrapped around it. a machine that utilizes two or more simple machines |
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MACHINE |
a device that allows you to do work in a way that is easier |
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Input force Output force Input work Output work |
The force you exert on the machine The force the machine exerts on an object The input force times the input distance The output force times the output distance |
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Mechanical Advantage Efficiency |
Finding the ratio of output force to input force gives you the mechanical advantage of a machine The efficiency of a machine compares the the output work to the input work |
