Conceptual Questions

1. Explain why a hoop and a solid cylinder of the same mass and radius roll differently down an incline.
2. Describe how torque direction affects rotational motion.
3. Why is angular momentum conserved in the absence of external torque?
4. How does changing the distribution of mass affect rotational kinetic energy?
5. Explain the effect of radius on angular acceleration for a given torque.
6. Why does a spinning figure skater speed up when pulling in her arms?
7. Describe the difference between rolling without slipping and pure sliding.
8. How is rotational kinetic energy distributed in a system of connected rotating bodies?
9. What is the significance of moment of inertia in rotational dynamics?
10. Explain the relationship between linear velocity and angular velocity for rolling objects.