If the man at B exerts a force of P = 40lbs on his rope, determine the magnitude of the force F the man at C must exert to prevent the pole from rotating so the resultant moment about A of both forces is zero. 6ft P. 12ft 45 A 79.50 lbs 59.70 lbs NONE OF THE GIVEN CHOICES 70.70 lbs 53.00 lbs

If the man at B exerts a force of P = 40lbs on his rope, determine the magnitude of the force F the man at C must exert to prevent the pole from rotating so the resultant moment about A of both forces is zero. 6ft P. 12ft 45 A 79.50 lbs 59.70 lbs NONE OF THE GIVEN CHOICES 70.70 lbs 53.00 lbs

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section: Chapter Questions

Problem 82A

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Concept explainers

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.

Question

If the man at B exerts a force of P = 40lbs on his rope, determine the magnitude of the
force F the man at C must exert to prevent the pole from rotating so the resultant
moment about A of both forces is zero.
6ft
P.
12ft
45
A
79.50 lbs
59.70 lbs
NONE OF THE GIVEN CHOICES
70.70 lbs
53.00 lbs

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