Lecture 41 Equilibrium of Rigid Bodies STUDENT …
(9 ft) A = 90 kip ft 12 kip ft 24 kip ft = 54 kip ft. A = (54 kip ft) / (9 ft) = 6.000 kips. Step #4 Check by Summation of Vertical Forces: Σ Fy = 0 = 6 kips 15 kips + 21 kips 6 kips 6 kips = 0. Sample Problem 4.3 - A loading car is at rest on a track forming an angle of 25 with the vertical. The gross weight of the car and its load is 5500 lb ... ................
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