1.

e upper circular stone of a hand flourgrinder is provided with a handle near its rim(i.e., at the maximum distance from thecentre) so that it can easily be rotated aboutthe iron pivot at its centre by applying asmall force at the handle.(2) Th

Answer»

Torque = force × perpendicular distance.

By providing handle near rim the perpendicular distance between point of pivotion and point where force is applied, less force has to be applied to do work.

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