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| exertion or effort directed to produce or accomplish something |
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| the SI unit of work or energy, equal to the work done by a force of one newton when its point of application moves through a distance of one meter in the direction of the force |
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| ability to do or act; capability of doing or accomplishing something. |
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| the SI unit of power, equivalent to one joule per second and equal to the power in a circuit in which a current of one ampere flows across a potential difference of one volt |
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| The work done on a machine. |
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| The work done by a machine. |
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| a number that tells how many times a machine multiplys force. |
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| A comparison of a machines work output with the work input. |
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| an apparatus consisting of interrelated parts with separate functions, used in the performance of some kind of work |
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| a simple device for altering the magnitude or direction of a force. The six basic types are the lever, wheel and axle, pulley, screw, wedge, and inclined plane |
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| a rigid bar that pivots about one point and that is used to move an object at a second point by a force applied at a third. |
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| the support, or point of rest, on which a lever turns in moving a body. |
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| one of the simple machines, a plane surface inclined to the horizon, or forming with a horizontal plane any angle but a right angle. |
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| a piece of hard material with two principal faces meeting in a sharply acute angle, for raising, holding, or splitting objects by applying a pounding or driving force, as from a hammer. |
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| a metal fastener having a tapered shank with a helical thread, and topped with a slotted head, driven into wood or the like by rotating, especially by means of a screwdriver. |
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| a wheel, with a grooved rim for carrying a line, that turns in a frame or block and serves to change the direction of or to transmit force, as when one end of the line is pulled to raise a weight at the other end: one of the simple machines. |
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