The sum of three forces F1=100N, F2=80N, and F3 = 60N acting on a particle is zero What is the angle between F1 and F2 ?? PROPER DIAGRAM with full logic explaination plz !

Asked by  | 6th May, 2012, 01:19: PM

Expert Answer:

from vector formula:
602=802+1002+2x80x100 cos?

Answered by  | 9th May, 2012, 11:33: AM

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