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Why a spanner with a long handle is pre...

Why a spanner with a long handle is preferred to tighten screws in heavy vehicles ?

Text Solution

Verified by Experts

This is because turning effect to tighten the screws depends upon the perpendicular distance of the applied force from the axis of rotation is power arm. Larger the power arm less is the force required to turn the screws. So spanner is provided with a long handle.
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