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Pratik Sharma Grade: 12
        

Why we prefer to use a wrench with long arm ?

7 years ago

Answers : (1)

Anurag Kishore
37 Points
										

As one knows


TORQUE = R cross F


=> F = torque/R


As torque required to open a nut is constant. So F is inversely proportional to R.


Hence if load arm is long we require less force to open.

7 years ago
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