Solution :
Analytical method:
Sum up the X components and Y components of all the vectors .
X = 201 cos 80 + 0 - 95 cos 80 - 50 - 100 cos 80 + 60 cos 80 = ( 201 - 95 - 100 + 60 ) cos 80 - 50
= 11.46 - 50 = - 38.5 N
Similarly Y = ( 201 + 95 - 100 - 60 ) sin 80 + 90 = 223.9 N
resultant force = ( X2 + Y2 ) = (-38.5)2 + ( 223.9)2 = 227.2 N
Direction = tan^-1 (223.9 / -38.5) = 80.2 degrees clockwise (North West ) .
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