Mechanical Advantage of a Screw Formula

A screw is a fastener with helical threads running around it. It is the last simple machine that was invented. Mechanical advantage of the screw can be calculated with diameter of screw and distance between threads. The constant factor pi, which is approximately equal to 3.14 is used in the formula to find the mechanical advantage of the screw.

Formula:

Mechanical Advantage of Screw

MA = (π * d) / l


Where,

MA = Mechanical Advantage
d = Diameter of Screw
l = Distance Between the Threads

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