power
1 Technically defined as the rate at which energy is expended or work is done, power is measured in watts (W) of work per unit time (power = work done/time taken). The amount of power generated by a person, therefore, depends on two important components: speed and strength. Power is the key component for most athletic activities. A powerful athlete has to be able to transform physical energy into force at a fast rate. This ability depends on the amount of ... ...
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