Work and power are essential in human performance from "summary" of Physics of the Human Body by Richard P. McCall
Work and power play a crucial role in the functioning of the human body. When we talk about work in the context of physics, we are referring to the transfer of energy that results in a change in the state or motion of an object. In the case of the human body, work is done when muscles contract to move our limbs and perform various activities. This work is essential for us to carry out everyday tasks, such as walking, lifting objects, or even just sitting upright. Power, on the other hand, is a measure of how quickly work is done. It is the rate at which energy is transferred or transformed. In the human body, power is related to the ability to perform tasks in a timely manner. For example, a sprinter requires a high power output to cover a certain distance in the shortest time possible, while a weightlifter needs power to lift heavy object...
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