JEE Main 2024 Physics question
Two forces and are acting on a body. One force has magnitude thrice that of the other force and the resultant of the two forces is equal to the force of larger magnitude. The angle between and is . The value of |n| is .
Answer: 6
Solution
9x² = 10x² + 6x²cos θ ⇒ cos θ = −1/6, so |n| = 6.