The centripetal acceleration produced in a rotating body is commonly due to change on_________of body?

Related Mcqs:

1. When a body is whirled in a horizontal circle by means of a string the centripetal force is supplied by______________?

   A. Mass of a body B. Velocity of body C. The tension in the string D. Centripetal acceleration...

2. When a body moves in a circle of radius r with linear speed V its centripetal force is_______________?

   A. mV/r2 B. mV/r C. mV2/r D. mV2/r2...

3. When the body moves with terminal velocity the acceleration in the body become_____________?

   A. 0 B. Maximum C. Variable D. Infinite...

4. Centripetal force performs_______________?

   A. Maximum work B. Minimum work C. Negative work D. No work...

5. A body of 2 kg is suspended from the ceiling of an elevator moving up with an acceleration g. Its apparent weight in the elevator will be______________?

   A. 9.8 N B. 19.6 N C. 129.4 N D. 39.2 N...

6. If a lift is going up with acceleration, the apparent weight of a body is:

   A. More than the true weight B. More or less the true weight C. Less than the true weight D. Equal to the true weight Submitted by: Naveed Tahir...

7. What is the outward force acting on a mass of 10 kg when rotating at one end an inelastic string 10m long at speed of 1m/s ?

   A. 1N B. 10N C. 2N D. 100N...

8. The value of acceleration due to gravity is minimum on which of these planets?

   A. Mars B. Jupiter C. Mercury D. Neptune Submitted by: Abid Hussain...

9. In case of planets the necessary acceleration is provided by______________?

   A. Gravitational force B. Frictional force C. Coulomb force D. Centripetal force...

10. A man of weight W is standing on an elevator which is ascending with an acceleration a. The apparent weight of the man is_______________?

    A. mg B. mg – ma C. mg + ma D. mg – ma...