Posted by **shwet** on Monday, June 6, 2011 at 11:38pm.

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?

- physics (vector) -
**drwls**, Tuesday, June 7, 2011 at 8:08am
Use the law of cosines, and solve for the cosine.

- physics (vector) -
**Anonymous**, Sunday, August 2, 2015 at 9:29pm
what is force

- physics (vector) -
**Henry**, Monday, December 28, 2015 at 9:19pm
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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