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A string breaks if its tension exceeds 10 Newton. A stone of mass 250 g tied to this string of length 10 cm is rotated in a horizontal circle. The maximum angular velocity of rotation can be

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Important Questions on Circular Motion

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A simple pendulum of mass m and length l stands in equilibrium in a vertical position. The maximum horizontal velocity that should be given to the bob at the bottom so that it completes one revolution is
 
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In uniform circular motion,
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For an object moving along a curved path, which among the following may remain constant during motion? (The symbols have usual meanings)
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Select the wrong statement from the following for a particle performing uniform circular motion

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A particle moving along a circular path due to a centripetal force having constant magnitude is an example of motion with,
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A brass ball is tied to a thin wire and swung so as to move uniformly in a horizontal circle. Which of the following statements in this regard is/are true?

1. The ball moves with constant velocity.

2. The ball moves with constant speed.

3. The ball moves with constant acceleration.

4. The magnitude of the acceleration of the ball is constant.

Select the correct answer using the codes given.

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Direction of α×r is,
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A particle in U.C.M. (Uniform circular motion) possesses linear acceleration since,