The combined action of the three forces on the base at O may be obtained by establishing their resultant through O. Determine the magnitudes of R and the accompanying couple M. Assume F₁ = 350 lb, F2 = 620 lb, F3 = 520 lb, a = 5.4 ft, b = 2.9 ft, c = 4.0 ft, and 0 = = 50°. F₂ b a F₁ F₂

The combined action of the three forces on the base at O may be obtained by establishing their resultant through O. Determine the magnitudes of R and the accompanying couple M. Assume F₁ = 350 lb, F2 = 620 lb, F3 = 520 lb, a = 5.4 ft, b = 2.9 ft, c = 4.0 ft, and 0 = = 50°. F₂ b a F₁ F₂

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

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter1: Introduction To Statics

Section: Chapter Questions

Problem 1.71P: The force F=5i+12j+4k lb is applied to the handle of the door. Determine the orthogonal component of...

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Question

The combined action of the three forces on the base
at O may be obtained by establishing their resultant
through O. Determine the magnitudes of R and the
accompanying couple M.
Assume F₁ = 350 lb, F₂ = 620 lb, F3 = 520 lb, a = 5.4 ft,
b = 2.9 ft, c = 4.0 ft, and 0 = 50°.
b
Answers:
R=
i
lb
M =
i
lb-ft
F₁

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