A platform with a total weight of 2900lbf is raised by a
A platform with a total weight of 2900lbf is raised by a power screw at a rate of 20 in/s. How much power is exerted on the platform? Do the power screws require precisely, more, or less than that amount?
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a platform with a total weight of 2900lbf is raised by a power screw at a rate of 20 ins how much power is exerted on
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