1.

Why is the screw called of the most commonly used mechanical devices in the world​

Answer»

It is one of the most commonly USED devices in the world. The SCREW has an appearance of a thin metal stick with a turning head on top and GROOVES along its length. Conventionally, it is defined as a mechanical device that has helical-inclined PLANES and is capable of converting torque to LINEAR force and vice versa.

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