Question: A uniform 20-kg tube resting on a loading dock will be moved by means of a cable attached at end A. Knowing that the coefficient

A uniform 20-kg tube resting on a loading dock will be moved by means of a cable attached at end A. Knowing that the coefficient of static friction between the tube and the dock is 0.30, determine the largest angle θ for which the tube will slide horizontally to the right and the corresponding magnitude of the force P when

(a) A = 0,

(b) A = 0.75 m. A 0 P -3 m Fig. P8.39 and P8.40 C B -a-

A 0 P -3 m Fig. P8.39 and P8.40 C B -a-

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