Quiz  /  Non Uniform Circular Motion MCQ

  • 1. 
    A bottle of soap water is grasped by the neck and swings briskly in a vertical circle. Near which portion of the bottle do the bubbles collect

  • Near the bottom
  • In the middle of the bottle
  • Near the neck
  • Uniformly distributed in the bottle

  • 2. 
    A bucket tied at the end of a 1.6 m long spring is whirled in a vertical circle with constant speed. What should be the minimum speed so that the water from the bucket does not spill when the bucket is at the highest position?

  • 4 m/sec
  • 6.25 m/sec
  • 16 m/sec
  • None of the above

  • 3. 
    A1 Kg stone at the end of 1 m long string is whirled in a vertical circle at a constant speed of 4 m/sec. The tension in the string is 6 N, when the stone is at

  • Top of the circle
  • Bottom of the circle
  • Halfway down
  • None of the above

  • 4. 
    A cane filled with water is revolved in a vertical circle of radius 4 metres and the water just does not fall down. The time period of revolution will be

  • 1 sec
  • 10 sec
  • 8 sec
  • 4 sec

  • 5. 
    A 2 Kg stone at the end of a string 1 m long is whirled in a vertical circle at a constant speed. The speed of the stone is 4 m/sec. The tension in the string will be 52N, when the stone is

  • At the top of the circle
  • At the bottom of the circle
  • Halfway down
  • None of these

  • 6. 
    In a vertical circle of radius r, at what point in its path does a particle have tension equal to zero, if it is just able to complete the vertical circle

  • mg
  • 3 mg
  • 5 mg
  • 6 mg

  • 7. 
    A hollow sphere has a radius of 6.4 m. Minimum velocity required by a motorcyclist at the bottom to complete the circle will be

  • Highest point
  • Lowest point
  • Any point
  • At a point horizontally from the centre of the circle of radius r

  • 8. 
    A fan is making 600 revolutions per minute. If after some time it makes 1200 revolutions per minute, then increase in its angular velocity

  • 17.7 m/s
  • 10.2 m/s
  • 12.4 m/s
  • 16.0 m/s

  • 9. 
    A stone tied with a string, is rotated in a vertical circle. The minimum speed with which the string has to be rotated

  • 10 π rad /sec
  • 20 π rad /sec
  • 40 π rad /sec
  • 60 π rad /sec
Report Question
warning
access_time
  Time