Answers

  • Brainly User
2015-09-27T22:43:08+05:30
F = (F^2 + F^2 +2F.F.cost)^1/2   (equal forces)
I = (1 + 1 + 2cost)^1/2                        
1=2 + 2cosα
-1 = 2cosα
cosα = -1/2
α = 120 degree
1 5 1