Question

the hand flour griender is provided with a handle maer the rim​

Answer 1

Answer:

The handle is placed at the rim so that the perpendicular distance of the line of action of the force from the axis of rotation will be maximum, so as to get the largest turning effect

Answer 2

The stone of hand flour grinder is provided with a handle near its rim so that it can be rotated easily about the iron pivot at its centre by a small force applied at the handle.