8.39 8.40 Fig. P8.39 and P8.40 A uniform 20-kg tube rests on a loading dock with its end. 3 located at a distance a = 0.25 m from the edge C of the dock. A cable attached at end A forming an angle = 60° with the tube will be used to move the tube. Knowing that the coefficient of static friction between the tube and the dock is 0.30, determine (a) the smallest value of P for which motion of the tube impends, (b) whether the tube tends to slide or to rotate about the edge C of the dock.

8.39 8.40 Fig. P8.39 and P8.40 A uniform 20-kg tube rests on a loading dock with its end. 3 located at a distance a = 0.25 m from the edge C of the dock. A cable attached at end A forming an angle = 60° with the tube will be used to move the tube. Knowing that the coefficient of static friction between the tube and the dock is 0.30, determine (a) the smallest value of P for which motion of the tube impends, (b) whether the tube tends to slide or to rotate about the edge C of the dock.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Friction

Friction is defined as the force that prevents any solid surface, any layer of fluid, or any kind of element or material from sliding.

Question

8.39
8.40
Fig. P8.39 and P8.40
B
A uniform 20-kg tube rests on a loading dock with its end B located at a distance a = 0.25 m from the edge C of the dock. A cable attached at end A forming an angle = 60° with the tube will be
used to move the tube. Knowing that the coefficient of static friction between the tube and the dock is 0.30, determine (a) the smallest value of P for which motion of the tube impends, (b) whether
the tube tends to slide or to rotate about the edge C of the dock.

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