In fig 3, three forces F1, F2, and F3 acting at O are in equilibrium….

In fig 3, three forces F1, F2, and F3 acting at O are in equilibrium. If the magnitude of F1 is 10N,and the magnitude of F2 is 5N, find the magnitude of F3
  • A.
    26.4N
  • B.
    15.0N
  • C.
    13.2N
  • D.
    10.0N
Correct Answer: Option C
Explanation
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