Question: An engineer pulls a control handle to operate a machine. The handle is attached at the upper end of a rigid shaft, at D.

An engineer pulls a control handle to operate a machine. The handle is attached at the upper end of a rigid shaft, at D. The lower end of the shaft is pinned at A. A nylon rope joins to the shaft at B, and is secured at C. In a separate test, it was found that the rope stretched by 1% when a tensile force of 100 N was applied. The engineer pulls with a force F = 82 N. How far does point D of the handle move? Dimensions: AB = 846 mm, BC = 909 mm, and BD = 229 mm. -BC. mm D B AB F by MECH 2 UBC

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