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Simple Machine: Wedge

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Questions	Answers
Is a wedge one of the six simple machines?	True
The effort you need depends on the relationship between the length and width of the wedge and consequently the sloping surface.	True
The wedge is a simple machine that is a modification of an inclined plane, however a wedge can move.	True
It is not possible to calculate mechanical advantage on a wedge.
There can not be single wedges and double wedges	False
Unlike an inclined plane a wedge can move.	True
Common examples of wedges include axes, knives and doorstops.	True