Three forces (shown in figure) act on a body simultaneously. What will be magnitude (in newton) of smallest additional force to make net force along North direction.

Question

TestHub · Accepted Answer

Take + x East and + y North. 10 N : 5 N : 4 2 ​ N : ​ ( − 10 sin 3 7 ∘ , 10 cos 3 7 ∘ ) = ( − 6 , 8 ) ( 5 cos 3 7 ∘ , 5 sin 3 7 ∘ ) = ( 4 , 3 ) ( − 4 , − 4 ) ​ Σ x = − 6 + 4 − 4 = − 6 Σ y = 8 + 3 − 4 = 7 For net force along North: Σ x + F = 0 ⇒ F = 6

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JEE Advanced 2026