Calculate the upward force you must exert at the moment

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A long, uniform rope with amass of 0.130 kg per meter lies on the ground. You grab oneend of the rope and lift it at the constant rate of 1.40m/s. Calculate the upward force you must exert at the moment when the top end of the rope is 0.510m above the ground. 

Reference no: EM13648194

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