work, power, and simple machines chapt. 14

10 terms by Heathers

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An example of a first class lever.


A unit used to measure force.


An example of a third class lever.


A chain, belt or rope wrapped around a wheel.


A force exerted over a distance to move an object.


A unit used to measure work.


A device that makes work easier.


An inclined plane that moves.


Place where a level is supported.


comparison of work input to work output.

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