iAnswer:
The resultant vector force = 6.96i - 9.27j
The magnitude = 11.6N
The direction= -53.1 °
Step-by-step explanation:
i= 10×cos(30) + 15×cos(-60) + 9×cos(-90) + 12×cos(140) = 6.96
j= 10×sin(30) + 15×sin(-60) + 9×sin(-90) + 12×sin(140) = -9.27
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