How to Calculate the Mechanical Advantage of a Wedge – formula

Last updated on July 8th, 2021 at 10:08 am

figure 1: Mechanical Advantage of a Wedge – formula

A wedge is a simple tool in the shape of a triangle. In other words, a wedge is simply two inclined planes back to back.  Figure 1 shows the simple formulas for calculating the IMAs of these machines. The mechanical advantage formula for a wedge is dependent on its geometry:

MA of a wedge = L / t

Wedge can be used to split an object into two parts or to lift heavy objects. Knives and axe heads are examples of wedges.

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