Resultant of the two vector is maximum when angle between them is :

1.	Resultant of the two vector is maximum when angle between them is :
Answer» `90^(@)` `180^(@)` `0^(@)` `270^(@)` SOLUTION :`R = sqrt(P^(2) +Q^(2) + 2PQ cos 0^(@))` `= sqrt(P^(2) +Q^(2) +2PQ) = P +Q`

Discussion