Two forcesof magnitudes 30, 60 and Pnewtonacting at apoint are in equilibrium. If the angle betweenthe firsttwo is 60 ^(@) , thevalue of P is :

Two forcesof magnitudes 30, 60 and Pnewtonacting at apoint are in equi

1.	Two forcesof magnitudes 30, 60 and Pnewtonacting at apoint are in equilibrium. If the angle betweenthe firsttwo is 60 ^(@) , thevalue of P is :
Answer» `(mv)/(sqrt(2))` 2 mv `sqrt(2)mv` `sqrt(2)/(mv)` SOLUTION :`P= sqrt( 60^(2) + 30^(2) + 2.60.30 cos60^(@))`