MHT CET Physics question

PhysicsOscillationsMHT CET

The period of oscillation of a simple pendulum of length suspended from the roof of a vehicle which moves without friction down an inclined plane of inclination is given by

Answer: (A)

Solution

The vehicle accelerates down the plane with , which cancels the component of gravity along the incline in the vehicle's frame, leaving $

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Question ID VK-068319