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JEE Main Physics question

PhysicsMotion in a PlaneJEE Main

The sum of the magnitudes of two forces acting at a point is 18 N and the magnitude of their resultant is 12 N. If the resultant is at 90° with the smaller force, the magnitudes of the forces are

Answer: (C)

Solution

Let the forces be P (smaller) and Q, with P+Q=18. Since the resultant is perpendicular to P, its component

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Question ID VK-152908