Question

Two forces P and Q act at an angle of 120° with each other. If the resultant is at right angles to Pand P is equal to 4kg -wt, then the value of Q is

A

4 kgwt

B

8 kgwt

C

6 kgwt

D

3 kgwt

Answer 1

The value of $Q$ is $8kgwt$.

So, the option B is correct.