A uniform chain with a mass of 123 kg per meter of length, Ask an Expert

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A uniform chain with a mass of 1.23 kg per meter of length is coiled on a table. One end is pulled upward at a constant rate of 0.523 m/s.

a) Calculate the net force acting on the chain.

b) At the instant when 0.163 m of the chain has been lifted off the table, how much force must be applied to the end being raised?

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