Two transmission belts pass over sheaves welded to an axle supported by a thrust

Question

Two transmission belts pass over sheaves welded to an axle supported by a thrust bearing at B and a journal bearing at D. The sheaves A has a radius of 50mm, and the sheave at C has a radius of 40mm. Because of friction around the sheaves, the tension across each sheave is not equal. Knowing that a system rotates with constant rate, determine A) the tension T and B) the reaction at B and D. Assume that the bearings at B and D are properly aligned that make certain reactions redundant. Neglect the weights of the sheaves and the axle.

Explanation / Answer

Two transmission belts pass over sheaves welded to an axle supported by a thrust

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