Answers

2014-06-12T19:54:11+05:30
I think the answer is 7.57567675  do  like this   144 +64 = 208 do the square root of the answer and multiply it with sin30

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2014-06-13T11:06:30+05:30
Given forces are 12N and 8N and angle b/w them is Ф=60°
therefore by parallelogram addition law
resultant, R= \sqrt{ 12^{2}+ 8^{2} +2*12*8*cos60 }  \\ \sqrt{304}  \\ 17.435 (approx)
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