An object weighing 400 N is held by a rope that passes over a horizontal drum. The coefficient of friction between the rope and the drum is 0.25. If the angle of contact is 150 degrees, determine the force that will raise the object.

An object weighing 400 N is held by a rope that passes over a horizontal drum. The coefficient of friction between the rope and the drum is 0.25. If the angle of contact is 150 degrees, determine the force that will raise the object.

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)

5th Edition

ISBN:9781305084766

Author:Saeed Moaveni

Publisher:Saeed Moaveni

Chapter10: Force And Force-related Variables In Engineering

Section: Chapter Questions

Problem 28P

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Question

An object weighing 400 N is held by a rope that passes over a horizontal drum. The coefficient
of friction between the rope and the drum is 0.25. If the angle of contact is 150 degrees,
determine the force that will raise the object.

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