The resultant of two forces P N and 3 N is a force of 7 N . If the direction of 3 N force were reversed, the resultant would be $\sqrt { 19 } \mathrm {~N}$. The value of P is (1) 5 N (2) 6 N (3) 3 N (4) 4 N
The resultant of two forces P N and 3 N is a force of 7 N . If the direction of 3 N force were reversed, the resultant would be $\sqrt { 19 } \mathrm {~N}$. The value of P is\\
(1) 5 N\\
(2) 6 N\\
(3) 3 N\\
(4) 4 N