MHT CET 2025 Physics question
A vehicle is moving with a constant speed of in a circular horizontal track of radius 20 m. A bob is suspended from the roof of a vehicle by a massless string. The angle made by the string with the vertical will be (acceleration due to gravity, )
Answer: (A)
Solution
In the vehicle frame the bob is at rest under tension , weight and the centrifugal pseudo force (equivalently, the horizontal component of supplies the centripetal force). Vertical: .
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