Rat 7-1 Solutions

Rat 7-1 Solutions - = 14 ft lbf 60 o (C) F = 10 lbf 2 ft 30...

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11 (A) (B) (C) (D) o 45 F = 10 lbf F = 10 lbf F = 10 lbf F = 10 lbf 2 ft 2 ft 2 ft 2 ft RAT 7-1 Solutions M = (10 lbf)(2 ft) = 20 ft lbf = -(10 lbf)(2 ft) = -20 ft lbf = (10 lbf)(2 ft) sin(60 o ) = 17.3 ft lbf = 17 ft lbf = (10 lbf)(2 ft) cos(45 o ) = 14.1 ft lbf
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Unformatted text preview: = 14 ft lbf 60 o (C) F = 10 lbf 2 ft 30 o There was some confusion during the quiz about the proper angle for part (C). Both answers shown on this page have been marked correct....
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