A rigid rod resting on a fulcrum has the following 20-lb forces acting on it. A is attached 2 feet from the left of the fulcrum acting vertical upward. B is 4 feet to the left of the fulcrum, acting downward at an angle of 30° with respect to the horizontal. C is 6 feet from the left of the fulcrum, acting upward with an angle of 45° with respect to the horizontal. D is attached 2 feet at the right of the fulcrum, acting downward at an angle of 60° respect to the horizontal. Where can a 20 lb force be placed to put the system in equilibrium?
A rigid rod resting on a fulcrum has the following 20-lb forces acting on it. A is attached 2 feet from the left of the fulcrum acting vertical upward. B is 4 feet to the left of the fulcrum, acting downward at an angle of 30° with respect to the horizontal. C is 6 feet from the left of the fulcrum, acting upward with an angle of 45° with respect to the horizontal. D is attached 2 feet at the right of the fulcrum, acting downward at an angle of 60° respect to the horizontal. Where can a 20 lb force be placed to put the system in equilibrium?
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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- A rigid rod resting on a fulcrum has the following 20-lb forces acting on it. A is attached 2 feet from the left of the fulcrum acting vertical upward. B is 4 feet to the left of the fulcrum, acting downward at an angle of 30° with respect to the horizontal. C is 6 feet from the left of the fulcrum, acting upward with an angle of 45° with respect to the horizontal. D is attached 2 feet at the right of the fulcrum, acting downward at an angle of 60° respect to the horizontal. Where can a 20 lb force be placed to put the system in equilibrium?
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