5. The coefficient of static friction between the 75-ib box and the incl surface is 0.1O. The coefficient of static friction between the rope and the fixed cylinder is 0.05. Determine the force the woman must exert on the rope to cause the box to start moving up the inclined surface. What is the minimum force the woman must exert on the rope to hold the box in equilibrium on the inclined surface?

5. The coefficient of static friction between the 75-ib box and the incl surface is 0.1O. The coefficient of static friction between the rope and the fixed cylinder is 0.05. Determine the force the woman must exert on the rope to cause the box to start moving up the inclined surface. What is the minimum force the woman must exert on the rope to hold the box in equilibrium on the inclined surface?

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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Question

5. The coefficient of static friction between the 75-lb box and the inclined
surface is 0.1O. The coefficient of static friction between the rope and the
fixed cylinder is 0.05. Determine the force the woman must exert on the rope
to cause the box to start moving up the inclined surface. What is the minimum
force the woman must exert on the rope to hold the box in equilibrium on the
inclined surface?
45
20
30

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