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Definition
| force exerted on an object that causes it to move |
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| 1 newton/meter; used to measure work |
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Definition
| the rate at which work is done |
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| a device that makes work easier |
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Definition
| the amount of force you exert on a machine |
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Definition
| the amount of work the machine exerts on an object |
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Definition
| the input force times the input distance |
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| the output force times the output distance |
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| mechanical advantage- equation |
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Definition
| the number of times a machine increases a force exerted on it |
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Definition
| the percentage of the input work that is converted to output work |
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Definition
| output work '/, input work * 100% |
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Definition
| incline plane, wedge, screw, wheel and axle, pulley, lever |
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Definition
| length of incline '/, height of incline |
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Definition
| the length of the threads '/, the length of the screw |
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Definition
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| a device that is thick on one end and tapers to a point |
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Definition
| an incline plane wrapped around a cylinder |
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| distance from fulcrum to input force '/, distance from fulcrum to output force |
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Definition
| a rigid bar that is free to pivot, or rotate, on a fixed point |
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Definition
| the fixed point that a lever pivots around |
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Definition
| the fulcrum is between the input and output forces |
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Term
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Definition
| the fulcrum is on the right of the forces with the closest force the output force |
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Term
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| the fulcrum is on the left of the forces with the closest the input force |
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| two circular objects fastened together that rotate about a common axis |
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Definition
| radius of wheel '/, radius of axle |
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| a wheel with a rope wrapped around it |
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Definition
| equal to the number of pieces of ropes that are supporting the object |
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Term
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Definition
| a machine that uses 2 or more simple machines; the mechanical advantage is the simples machines' multiplied together |
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