Turning forces

Centre of gravity

Centre of gravity We have already seen a body is attracted to the earth by the force of gravity. This tatement, however, says nothing about the point of application of the force, so we hall now discuss this. Any particular body, a stone, for example, may be regarded as being made up of a very large number of tiny …

Centre of gravity Read More »

Turning forces

Turning forces Every time we open a door, turn on a tap or tighten up a nut with a spanner, we exert a turning force. Two factors are involved here, first, the magnitude of the force applied, and secondly, the distance of its line of action from the axis or fulcrum about which turning takes place. A very large …

Turning forces Read More »