Asked by TIMNAN DAKAT

Find the angle between two forces P,Q which has 30N and 27 respectively if the magnitude of the resultant force is 38N
Answered by Writeacher
You'd get help if you put your school SUBJECT in the right place.
Answered by Steve
recall the law of cosines, and you will see that θ can be found using

38^2 = 30^2 + 27^2 - 2(30)(27)cos(π-θ)
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