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phy 4

Welcome to your phy 4

1. 

2. 
SI unit of angular momentum is:

3. 
Radius of gyration is defined as:

4. 
In pure rolling, the point of contact with ground has:

5. 
Work done by centripetal force in circular motion:

6. 
Parallel axis theorem states:

7. 
Rotational analog of force is:

8. 
If torque on a body is zero:

9. 
A solid sphere and a hollow sphere roll down an incline. Which is faster?

10. 
Moment of inertia of a thin rod about its end is:

11. 
Speed of sound is maximum in:

12. 
Unit of torque is:

13. 
If angular momentum is conserved, torque is:

14. 
In a stationary wave, the distance between two successive nodes is:

15. 
A wheel is rotating with angular velocity ω. If radius doubles, angular momentum:

16. 
Rotational kinetic energy is:

17. 
A constant torque acting on a body produces:

18. 
A disc and ring of same mass and radius roll down a hill. Which reaches first?

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