3. Determine the magnitude of the couple forces F so that the resultant couple moment on the crank is zero. (Reference point is the middle of the figure) 150 lb -F 5 in. 30 30 30° 150 lb 5 in. 4 in. 43 30 4 in.

International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter2: Basic Operations With Force Systems
Section: Chapter Questions
Problem 2.75P: The two forces of magnitude F=30kN form a couple. Determine the corresponding couple-vector.
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3. Determine the magnitude of the couple forces F so that the resultant couple moment on
the crank is zero. (Reference point is the middle of the figure)
150 lb
-F
5 in.
30°
30°
30°
150 lb
5 in.
4 in.
30
4 in.
F
Transcribed Image Text:3. Determine the magnitude of the couple forces F so that the resultant couple moment on the crank is zero. (Reference point is the middle of the figure) 150 lb -F 5 in. 30° 30° 30° 150 lb 5 in. 4 in. 30 4 in. F
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