the resultant of two forces has magnitude 20 N.One of the forces is of magnitude 20√3 N and makes an angle of 30 with the resultant.then,the other force must be of magnitude

Question

anonymous · Answer

|dw:1370753285642:dw|We have two sides and an angle; a perfect situation for applying the cosine law to find the magnitude of the other force.

anonymous · Answer

Note: The above drawing is not to scale.

|dw:1370753572701:dw|

anonymous · Answer

So we are solving for the the magnitude of 'v' by applying the cosine law. We solve for |v| by taking the square root of both sides of the equation.

anonymous · Answer

@samigupta8

samigupta8 · Answer

tnxxxxxxxxx.