Asked by Sunny

Two forces of equal magnitude act on an object so that the angle between their directions is 60 degrees. If their resultant has a magnitude of 20 N, find the magnitude of the equal forces.

Answers

Answered by R_scott
2 * m / cos(60º / 2) = 20 N
Answered by oobleck
they have magnitude x, where we find x using the law of cosines
20^2 = x^2 + x^2 - 2x^2 cos120°
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