Power in lifting the crate can be calculated using work and time, while no power is exerted when holding the crate without motion.
Power in Lifting: To calculate the power exerted in lifting the crate, you can use the formula: Power = (Work done)/(Time taken). Work done is given by the formula: Work = Force x Distance. With the given values, you can find the power exerted in lifting the crate.
Power in Holding: When the forklift holds the crate in place, the power exerted is zero since there is no motion involved. Power is the rate at which work is done, and when no work is being done on the crate, the power exerted is also zero.
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