A bar or rod free to rotate around a single point

any devices that do work with one movement (such as pulley, inclined plane, lever)

two inclined planes combined

an inclined plane wrapped around a rod

exerting a force over a distance in the same direction as the object's motion

The ___ is the unit used for work.

A ___ is a compound machine.

An example of an inclined plane is a(n) ___.

A ___ uses a lever.

___ is not work.

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