COSMOS: Complete Online Solutions Manual Organization System
Chapter 4, Solution 1.
Free-Body Diagram:
(a)
ΣM B = 0:
− Ay ( 3.6 ft ) − (146 lb )(1.44 ft ) − ( 63 lb )( 3.24 ft ) − ( 90 lb )( 6.24 ft ) = 0
Ay = − 271.10 lb
(b)
ΣM A = 0 :
or A y = 271 lb
or B y = 570 lb
By (3.6 ft ) − (146 lb)(5.04 ft ) − (63 lb)(6.84 ft ) − (90 lb)(9.84 ft ) = 0
By = 570.10 lb
COSMOS Chapter 4 Solution 1
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