Question

1. Compare the main physical quantities of translational and rotational motions.
2. How many directions may have vector of angular velocity?
3. Analogs in rotational dynamics for force, mass and the Second Newton’s Law in translational mechanics.
4. Compare kinetic energies of translational and rotational motions.
5. What is kinetic energy of solid body performing both translational and rotational motion at the same time?
6. Angular momentum: definition and comparison with linear momentum.
7. Conservation of angular momentum.

Answer 1

not sure about the solutions of remaining problems