Physics: three forces

label Physics
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Feb 16th, 2015

F1 = 40 *sqrt(3) i -40 j 

F2 = 60j 

F3 = -40i

F = F1+F2+f3 = 40*0.732 i +20j 

|F| = 35.46 N 

it is D

Feb 16th, 2015

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Feb 16th, 2015
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Feb 16th, 2015
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