Question
Force 1= 65 pounds , Force 2=90 pounds
find the angle between the forces?
magnitude of the resultant force= 70lbs
find the angle between the forces?
magnitude of the resultant force= 70lbs
Answers
Steve
use law of cosines.
70^2 = 65^2 + 90^2 - 2(65)(90)cosθ
70^2 = 65^2 + 90^2 - 2(65)(90)cosθ
Anonymous
thank you