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A force, f1, of a magnitude 6 N acts on particle P. A second force, f2, of magnitude 8 N acts at 60 degrees to f1. Determine the resultant and equilibrant of f1 and f2. (Vectors) Help! D:
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This is what I've drawn so far... |dw:1348016589674:dw| I have to use cosine law but why is it cos(120 degrees)? o.O
i dont think your diagram is right
ohh.. o.o
Because you have put the wrong angle, the angle between the vectors needs to be when they come from the same point, even thought vectors fill the hole space
can someone please draw it out?
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|dw:1348017897516:dw|
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