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Class 11 Physics Practice Test: Motion in a Plane - Uniform Circular Motion
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Class 11 Physics Practice Test: Motion in a Plane - Uniform Circular Motion
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12 Questions

1. A body of mass 10 kg, is moving with a velocity of 5 m/s in a circle of radius 5 m, what is the centripetal acceleration of the body?
2. A ball is being rotated in a circle of radius 5 m with a constant tangential velocity of 20 m/s. A stone is also being rotated in a circle of radius 4 m with a constant tangential velocity of 16 m/s. Which one of the following choices is true about both the circular motions?
3. The mathematical expression for centripetal force is ______
4. The centrifugal force always acts _____
5. The centrifugal force always acts _____
6. A body of weight 20 N, mass 2 kg is moving in vertical circular motion with the help of a string of radius 1 m and with a velocity of 2 m/s. What is the tension in the string at the lowest point?
7. The mathematical expression for centripetal force is ______
8. Which one of the following devices acts on the principle of circular motion?
9. A body is moving in a vertical circular motion. Which one of the following forces does it not experience?
10. A body of weight 20 N, mass 2 kg is moving in vertical circular motion with the help of a string of radius 1 m and with a velocity of 5 m/s. What is the tension in the string when is horizontal?
11. A ball is being rotated in a circle of radius 5 m with a constant tangential velocity of 20 m/s. A stone is also being rotated in a circle of radius 4 m with a constant tangential velocity of 16 m/s. Which one of the following choices is true about both the circular motions?
12. At which position in vertical circular motion is the tension in the string minimum?