E
Editor
Jun 12, 2022
Why it is easy to tighten a nut using a spanner of the longer arm than a spanner of the shorter arm?
A spanner with having long arm helps to loosen or tighten a nut or a bolt with greater ease than the one with having short arm. It is because the turning effect (torque) of the force increases. (Τ $\propto$ L)
