Ascrew has 4 threads per centimeter and a circumference of 2 centimeters. the mechanical advantage of the screw is?

Mechanical advantage = 8

Explanation:

It is given that,

A screw has 4 threads per centimeter.

The circumference of the screw, C = 2 cm = 0.02 m

The mechanical advantage of a screw is given by :

.............(1)

Pitch of a screw is defined as the number of threads per inch on the screw i.e.

Pitch = 1 / number of threads per inch or cm

or pitch = 1/4

MA = 8

Hence, the mechanical advantage of the screw is 8.

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