Rigid body rotation and equations of rotational motion, comparison of linear and rotational motions - Question Bank
1. The rotational analogue of impulse (FΔt) is:
2. Which of the following is a condition for equilibrium of a rigid body?
3. The rotational analogue of Newton's second law (F=ma) is:
4. Which statement is incorrect regarding rigid body rotation?
5. If the net torque on a rigid body is zero, then:
6. The angular position of a point on a rotating body can be measured in:
7. For a rigid body undergoing pure rotation about a fixed axis, the velocity of any particle is:
8. The center of mass of a rigid body is the point where:
9. Which of the following is a scalar quantity?
10. The rotational kinematic equations are valid when:
11. If a rigid body is rotating, its constituent particles have:
12. What is the rotational analogue of force?
13. The angular displacement is related to linear displacement for a point on a rotating object by:
14. Consider a hoop rotating about its central axis. Its moment of inertia is:
15. Which equation correctly relates the angular impulse to the change in angular momentum?
16. The product of moment of inertia and angular velocity is:
17. If a rigid body is rotating and its moment of inertia decreases, what happens to its angular velocity if angular momentum is conserved?
18. The rate of change of linear velocity is linear acceleration. The rate of change of angular velocity is:
19. Which quantity is conserved in the absence of external torque for a rigid body?
20. If a force F acts at a perpendicular distance r from the pivot point, the magnitude of the torque is:
21. The parallel axis theorem states that the moment of inertia about an axis parallel to a diameter is:
22. Consider a thin rod rotating about its center. Its moment of inertia is given by:
23. Consider a solid cylinder rotating about its central axis. Its moment of inertia is given by:
24. Which statement best describes the relationship between linear and rotational motion?
25. For a point mass m rotating at a distance r from the axis of rotation, its moment of inertia is:
26. The direction of angular velocity vector is typically determined by:
27. Which of the following is NOT a vector quantity in rotational motion?
28. What is the SI unit of angular acceleration?
29. What is the SI unit of angular velocity?
30. In rotational motion, the quantity that measures the resistance to change in rotational motion is:
31. The condition for rolling without slipping involves a relationship between linear velocity and angular velocity. This relationship is:
32. If a body is rotating and translating simultaneously, its total kinetic energy is:
33. The rotational analogue of kinetic energy (½mv²) is:
34. The work done by a torque τ acting through an angular displacement θ is:
35. Which equation is analogous to v² = u² + 2as for rotational motion?
36. If no net external torque acts on a rotating rigid body, its:
37. For a rigid body rotating about a fixed axis, the rate of change of angular momentum is equal to:
38. The rotational analogue of linear momentum (p = mv) is:
39. Which equation is analogous to s = ut + ½at² for rotational motion?
40. The rotational analogue of linear displacement is:
41. Which of the following equations is a rotational kinematic equation analogous to v = u + at?
42. If a rigid body is rotating with constant angular velocity, what is its angular acceleration?
43. What does the moment of inertia depend on?
44. The rotational analogue of mass is:
45. Which equation describes the relationship between torque and angular acceleration for a rigid body?
46. What is the rotational analogue of linear velocity?
47. The SI unit of torque is:
48. Which physical quantity represents the tendency of a force to rotate an object around an axis?
49. What is the primary characteristic of a rigid body?