Asked by salamat

A body is in equilibrium under the action of 3 force.one is 6Ndue east and the other is 3Nacting in a direction 60'north
Answered by R_scott
the "balancing" 3rd force is the force 180º opposite the vector addition of the given forces
Answered by Henry2
All angles are measured CCW from +x-axis.
F1 + F2 = 6[0o] + 3[60o]. = 6 + 1.5+2.6i = 7.5 + 2.6i = 7.94N[19o].

F3 = 7.94[19o+180o] = 7.94N[199o].
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