Asked by shwet

the force f1 and f2 are acting on a body one force is double that of the other force and the resultant is equal to the greater force.then the angle between two forceis what. How?
Answered by drwls
Use the law of cosines, and solve for the cosine.
Answered by Anonymous
what is force
Answered by Henry
F1 = F2*Cos A.
Replace F2 with 2F1:
F1 = 2F1*Cos A
Divide both sides by 2F1:
Cos A = 0.50.
A = 60o.

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