Detrmine the resultant force if two force a and b act an cobject f a is85n atangle of20degre to the horzontal a f b is 125at anle of 60 degree solve the resultant force ?5kb363d

Answer 1

an cobject f a is85n atangle of20degre to the horzontal a f b is 125at anle of 60 degree >> HUH?

Answer 2

Fr = 85[20o] + 125[60o].
X = 85*Cos20 + 125*Cos60 = 142.4 N.
Y = 85*sin20 + 125*sin60 = 137.3 N.

Fr = sqrt(X^2 + Y^2) = 197.8 N.
TanA = Y/X, A = 44o = Direction.