Asked by oleg
Given that Force 1 = 70 pounds and Force 2 = 120 pounds , find the angle between the forces if the magnitude of the resultant force is 90 pounds . Round answer to the nearest
degree.
degree.
Answers
Answered by
Steve
70^2 + 120^2 + 2*70*120 cosθ = 90^2
cosθ = -2/3
θ = 131.8°
This makes sense, since if the two forces were separated by an acute angle, the resultant would be greater than either of them.
Think of the parallelogram involved.
cosθ = -2/3
θ = 131.8°
This makes sense, since if the two forces were separated by an acute angle, the resultant would be greater than either of them.
Think of the parallelogram involved.
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.