1.5 m Z A 250 N 0.8 m 120 N X B 1) Determine the magnitude of the moment of the forces about point A in N-m. A. 180 N-m B. 204 N-m C. 276 N-m D. 380 N-m 2) Determine which force-couple system at point A is equivalent to the action of the set of forces shown. (Please show how M is calculated) A. R = -250 ĵ- 120 k, M = -180 î+ 96 ĵ B. R = +250ĵ- 120 k, M = -96 î+ 180 ĵ C. R = -250ĵ+ 120 k, M = −204 î + 204 ĵ D. R = +250ĵ+ 120 k, M = +380 î + 96 ĵ
1.5 m Z A 250 N 0.8 m 120 N X B 1) Determine the magnitude of the moment of the forces about point A in N-m. A. 180 N-m B. 204 N-m C. 276 N-m D. 380 N-m 2) Determine which force-couple system at point A is equivalent to the action of the set of forces shown. (Please show how M is calculated) A. R = -250 ĵ- 120 k, M = -180 î+ 96 ĵ B. R = +250ĵ- 120 k, M = -96 î+ 180 ĵ C. R = -250ĵ+ 120 k, M = −204 î + 204 ĵ D. R = +250ĵ+ 120 k, M = +380 î + 96 ĵ
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter8: Momentum And Collisions
Section: Chapter Questions
Problem 38P
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