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A stone attached to one end of a string is whirled in a vertical circle. The tension in the string is maximum when :-
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Important Questions on Circular Motion
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A weightless thread can withstand tension upto 30 N. A stone of mass 0.5 kg is tied to it and is revolved in a circular path of radius 2m in a vertical plane. If g = 10 ms-2, then the,maximum angular velocity of the stone can be :
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A body crosses the topmost point of a vertical circle with critical speed. Its centripetal acceleration, when the string is horizontal will be
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Stone tied at one end of the light string is whirled around a vertical circle. If the difference between the maximum and minimum tension experienced by the string wire is , then the mass of the stone must be:-
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A particle of mass m is performing vertical circular motion (see figure). If the average speed of the particle is increased, then at which point maximum breaking possibility of the string :-
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A fighter plane is moving in a vertical circle of radius . Its minimum velocity at the highest point of the circle will be :-
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A stone of mass is tied to one end of a thread of length whirled in a vertical circle. When the stone is at the lowest point of circle, tension in thread is , then velocity of the stone will be
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A suspended simple pendulum of length is making an angle with the vertical. On releasing, its velocity at the lowest point will be:-
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On account of the earth rotating about its axis
