A particle moves along a horizontal circle such that the radial force acting on its is directly proportional to square of time . Then choose the correct option :

tangential force acting on it is directly proportional to time

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Power developed by total force is directly proportional to time

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average power developed by the total force over first t second from rest is directly proportional to time

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angle between total force and normal decreases with time

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Solution

The correct option is A tangential force acting on it is directly proportional to time

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