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A___is a stiff bar that rests on a support called a fulcrum which lifts or move

Medium General Science GENERAL SCIENCE FPSC

Question

A___is a stiff bar that rests on a support called a fulcrum which lifts or move loads.

A Pulley B Wedge C Screw D Lever

Explanation

Explanation
A lever is a stiff bar that rests on a support called a fulcrum, which lifts or moves loads. The fulcrum is the point where the lever pivots , and it can be used to change the direction of a force or to gain a mechanical advantage, making it easier to lift or move heavy loads. Examples : Hammer, crow bar, a pair of pilers and seesaw.

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