Consider the moment created by the 40 lb. force about point A. Calculate the moment about point A as a function of 0. What value of 0 (between 0 degrees and 180 degrees) will cause the moment at A to be zero? What value of 0 (between 0 degrees and 180 degrees) will cause the largest magnitude moment at A? What is the magnitude if the moment for this angle? 2 ft F-40 lb

International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter6: Beams And Cables
Section: Chapter Questions
Problem 6.4P: Find the internal force systems acting on sections 1 and 2.
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1. Consider the moment created by the 40 lb. force about point A.
Calculate the moment about point A as a function of 0.
• What value of 0 (between 0 degrees and 180 degrees) will cause the moment at A to be zero?
What value of 0 (between 0 degrees and 180 degrees) will cause the largest magnitude moment at A?
What is the magnitude if the moment for this angle?
.
.
8 ft
2 ft
F = 40 lb
Transcribed Image Text:1. Consider the moment created by the 40 lb. force about point A. Calculate the moment about point A as a function of 0. • What value of 0 (between 0 degrees and 180 degrees) will cause the moment at A to be zero? What value of 0 (between 0 degrees and 180 degrees) will cause the largest magnitude moment at A? What is the magnitude if the moment for this angle? . . 8 ft 2 ft F = 40 lb
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