Question

A bucket used in a mining operation for moving ore has frictionless rollers at points A, B, C, and D. The bucket moves up and down a fixed rail HI. The rollers at A and B are a loose fit on the rail, and the rollers atC and D are a loose fit. The mass of the bucket and its contents is 1,520 kg. (a) Determine the cable force T needed to move the bucket up or down the rail at constant speed. (b) For the value of T obtained in Part (a), determine which rollers make contact and the magnitude of the reactions at these rollers. 8 E T .G 0.8 m 1.2 m D 04 m 0.4 m B 1.6 m H 20°

Answer 1

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