82 Air Moments and Couples 3-6. The bending moment in the beam at point A is equal to the moment of the 800-N force about point A. Calculate the moment about point A (Figure P3-6). What force P could be applied at the same location, perpendicular to the beam, and still produce the same moment? 800 N 38⁰ FIGURE P3-6 3-7. The box of a dump truck pivots at A and has a force of 850 lb applied by a hydraulic cylinder as shown in Figure P3-7. Determine the moment about A due to this force. 63 G 850 lb 30⁰ FIGURE P3-7 3-8. Determine the moment of the 1800-N force about (a) point C and (b) point B of the engine hoist shown in Figure P3-8. 1.7 m 0.6 m FIGURE P3-8 -5 m- 1800 N PD B C a F12
82 Air Moments and Couples 3-6. The bending moment in the beam at point A is equal to the moment of the 800-N force about point A. Calculate the moment about point A (Figure P3-6). What force P could be applied at the same location, perpendicular to the beam, and still produce the same moment? 800 N 38⁰ FIGURE P3-6 3-7. The box of a dump truck pivots at A and has a force of 850 lb applied by a hydraulic cylinder as shown in Figure P3-7. Determine the moment about A due to this force. 63 G 850 lb 30⁰ FIGURE P3-7 3-8. Determine the moment of the 1800-N force about (a) point C and (b) point B of the engine hoist shown in Figure P3-8. 1.7 m 0.6 m FIGURE P3-8 -5 m- 1800 N PD B C a F12
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter13: Rotation Ii: A Conservation Approach
Section: Chapter Questions
Problem 71PQ: A long, thin rod of mass m = 5.00 kg and length = 1.20 m rotates around an axis perpendicular to...
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