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A wedge, or inclined plane, is one of the simplest tools on Earth.

Its purpose is to lift an object or separate two parts of an object by converting force directed at the object laterally, causing movement in the desired direction.

To do this it has to be inserted between the object and the surface it is resting on, or the two parts of the object which are to be separated. Thisis best acheived by having the leading edge of the wedge as narrow as possible.

Subsequent deeper insertion of the edge lifts the material higher or further apart. The sharper the angle of the wedge the easier it is t move the objects up or apart.

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16y ago

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