Question: Determine the smallest force P that the worker must apply to the bar CD to prevent the homogeneous 8 0 - k g spool from

Determine the smallest force P that the worker must apply to the bar CD to prevent the homogeneous 80-kg spool from moving down the hill.
The coefficients of static friction are 0.12 at A and 0.36 at B. Neglect the weight of bar CD.
Determine the smallest force P that the worker

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