Physics · SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

Consider the following statements regarding the rotation of rigid bodies: (A) In pure translation, all particles of the body have identical velocities at any instant of time. (B) For a body rotating about a fixed axis, every particle of the body moves in a circular path that lies in a plane perpendicular to the axis. (C) A spinning top whose tip is fixed on the ground undergoes rotation about an axis that remains stationary in space. (D) For an oscillating table fan, the axis of rotation oscillates in a horizontal plane about the pivot point. Which of the above statements are correct?

1. A
   (A), (B), and (C) only
2. B
   (B), (C), and (D) only
3. C
   (A), (B), and (D) only
4. D
   (A) and (D) only