Report copyright - Chapter 1 · 1.27 8000 lb R 80o P 65o 35o P sin65 8000 sin35 P = 8000 sin65 sin35 = 12 640 lb J 1.28 8000 lb R 80o 10 000 lb a q 25o Law of cosines: R = p 80002 + 10 0002 2(8000)(10
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