Two equal forces (P each ) act at a point inclined to each other at an angle of 120^ . The magnitude of their resultant is

Step-by-step solution

The magnitude of resultant of two forces is given by R= A²+B²+2 A B Given, A=B=P and =120^ R= P²+P²+2 P² 120^ = 2 p² (1- 1 2 ) =p