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Chapter 5- Rodriguez
Vocab for chapter 5
| Question | Answer |
|---|---|
| The amount of work done is one second. | power |
| the transfer of energy that occurs when a force makes an object move. | work |
| A device that makes dong work easier. | machine |
| The force that is applied to the machine. | input force |
| The force applied by the machine. | output force |
| (MA) ratio of the output force exerted by a machine to the input force applied to the machine. | mechanical advantage |
| A measure of how much of the work put into a machine is changed into useful output work by the machine. | efficiency |
| Machine that does work with only one movement. | simple machine |
| simple machine consisting of a bar free to pivot about a fixed point called the fulcrum. | lever |
| simple machine that consists of a grooved wheel with a rope, chain, or cable running along the groove; can be either fixed or movable. | pulley |
| simple machine that consists of a shaft or axle attached to the center of a larger wheel, so that the shaft and the wheel rotate together. | wheel and axle |
| simple machine that consists of a sloping surface such as a ramp, that reduces the amount of force needed to lift something by increasing the distance over which the force is applied. | inclined plane |
| simple machine that consists of an inclined plane wrapped in a spiral around a cylindrical post. | screw |
| simple machine that is an inclined plane with one or two sloping sides | wedge |
| machine that is a combination of two or more simple machines. | compound machine |
Created by:
rroberto
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