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Physics

Wedges are made up of two inclined planes. How will you find MA of a wedge?

Machines

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Answer

The mechanical advantage of an inclined plane is equal to the ratio of the length of the inclined plane to its vertical height i.e.,

Mechanical Advantage (M.A.)=Length of the inclined planeVertical height\text {Mechanical Advantage (M.A.)} = \dfrac{\text {Length of the inclined plane}}{\text {Vertical height}}

Since, wedge is very much similar to an inclined plane then their mechanical advantage should be similar too.

The mechanical advantage of a wedge is equal to the ratio of the length of the inclined plane to its thickness because here thickness is same as height of the inclined plane i.e.,

Mechanical Advantage (M.A.)=Length of the inclined planeThickness of the wedge\text {Mechanical Advantage (M.A.)} = \dfrac{\text {Length of the inclined plane}}{\text {Thickness of the wedge}}

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