Force 04
Force 04 : Force can either be applied by the body (i.e. through muscular effort) or to the body. When doing 'work' the body uses muscles to generate force to allow for movement of body segments, to resist the 'force' of objects being lifted / carried, or to apply force to an object to move it. When your muscles contract they also generate 'reaction' forces in the body at the joints (e.g. shoulder, vertebrae, etc Force can also refer to the amount of force that is applied to the body from an external source. When using a pair of pliers the handles of the pliers press into the palm of the hand. When resting the forearm on the edge of the desk the desk exerts force on the muscles, nerves, and blood vessels in the forearm
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