question archive A 40-m-long chain hangs vertically from a cylinder attached to a winch
A 40-m-long chain hangs vertically from a cylinder attached to a winch
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A 40-m-long chain hangs vertically from a cylinder attached to a winch. Assume there is no friction in the system and the chain has a density of 10 kg/m. Use 9.8 m/s2 for the acceleration due to gravity.
a) How much work is required to wind the entire chain onto the cylinder using the winch?
b) How much work is requeired to wind the chain onto the cylinder if a 25-kg block is attached to the end of the chain??
a) The amount of work required is ____??? J. (Type an integer or a decimal)
b) The amount of work required is ____??? J. (Type an integer or a decimal)
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