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Unformatted text preview: the resultant force: x y F 1 F 1 cos 40 = 150 cos 40 = +114.9 F 1 sin 40 = 150 sin 40 = +96.4 F 3 F 3 cos 160 = 80 cos 160 = 75.2 F 3 sin 160 = 80 sin 160 = + 27.4 F R +114.9 75.2 = 39.7 +96.4 + 27.4= 123.8 Direction of F R : tan = 123.8/39.7 ! = 72.2 To have net force equal zero, must add F R : F net = F R =  39.7 x  123.8 y  F net  = (123.8) (39.7) 2 2 + = 130; Direction of F net: = 72.2 + 180 = 252.2...
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 Spring '06
 Buchler
 Physics, Force, Work

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