. A pulley and a rope is used to lower a body of mass m kg down and man holds down the other end of the rope as shown in Fig.2. What is the force that is required to prevent the downward movement of the mass? Clearly show the Free Body Diagram in the solution.

. A pulley and a rope is used to lower a body of mass m kg down and man holds down the other end of the rope as shown in Fig.2. What is the force that is required to prevent the downward movement of the mass? Clearly show the Free Body Diagram in the solution.

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.78P: The figure shows a steel bar being processed by a rolling mill. Given that P=80kN and r =0.016,...

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Question

a. A pulley and a rope is used to lower a body of mass m kg down and man holds down
the other end of the rope as shown in Fig.2. What is the force that is required to prevent
the downward movement of the mass? Clearly show the Free Body Diagram in the
solution.

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