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For a particle in circular motion, the centripetal acceleration

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Important Questions on Circular Motion

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Alpha Question Bank for Medical: Physics>Chapter 7 - Circular Motion>Exercise-1>Q 31
If the radii of circular paths of two particles of same masses are in the ratio of 1:2, then in order to have same centripetal force, their speeds should be in the ratio of:
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Alpha Question Bank for Medical: Physics>Chapter 7 - Circular Motion>Exercise-1>Q 32
On a horizontal smooth surface, a mass of 2 kg is whirled in a horizontal circle by means of a string at an initial angular speed of 5 rpm. Keeping the radius constant, the tension in the string is doubled. The new angular speed is nearly,
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Alpha Question Bank for Medical: Physics>Chapter 7 - Circular Motion>Exercise-1>Q 33
ar and at represent radial and tangential accelerations, respectively. The motion of the particle is uniformly circular only if,
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Alpha Question Bank for Medical: Physics>Chapter 7 - Circular Motion>Exercise-1>Q 34
A string breaks if its tension exceeds 10 N. A stone of mass 250 gm 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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Alpha Question Bank for Medical: Physics>Chapter 7 - Circular Motion>Exercise-1>Q 35
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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Alpha Question Bank for Medical: Physics>Chapter 7 - Circular Motion>Exercise-1>Q 36
A stone of mass 0.5 kg tied with a string of length 1 m is moving in a circular path with a speed of 4 m sec-1. The tension acting on the string in Newton is
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Alpha Question Bank for Medical: Physics>Chapter 7 - Circular Motion>Exercise-1>Q 37
The formula for centripetal acceleration in a circular motion is
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Alpha Question Bank for Medical: Physics>Chapter 7 - Circular Motion>Exercise-1>Q 39
A particle moves in a circular orbit under the action of a central attractive force inversely proportional to the distance r. The speed of the particle is,