Question

Give two applications of the turning effect of force​

Answer 1

Answer:

A worker applies a force to a spanner to rotate a nut. ... A force is applied to a door knob and the door swings open about its hinge. 2. A driver can turn a steering wheel by applying a force on its rim

Answer 2

Answer:

(1) To open and shut a door, we apply a force (push or pull) normal to the door at its handle P which is at the maximum distance from the hinge.

(2) The upper circular stone of a hand flour grinder is provided with a handle near its rim (i.e. maximum distance from the centre) so that it can easily be rotated about the iron pivot at its centre by applying a small force at the handle.

(3) For turning a steering wheel, a force is applied tangentially on the rim of the wheel.

(4) In a bicycle, to turn the wheel anticlockwise, a small force is applied on the pedal of a toothed wheel.

Explanation:

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