Physics, asked by sumitadhikari2004, 9 months ago

Resultant of two forces P and Q is
√3 Q. The resultant
is inclined at 30° with P. Show that, either P = Q or
P = 2Q.​

Answers

Answered by deepakbhai1814
20

R=\sqrt{P^2+Q^2+2PQ COS @}

SO by putting all the given values

3Q^2=P^2+Q^2+2PQ \sqrt{3} /2

BY CONSIDERING THIS AS A QUADRATIC EQUATION WE WILL GET THE VALUES IN TURN

P=2Q

Answered by jocedikshit
2

In this way we can prove it simply by applying cosine law..

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