ROTATIONAL MOTION

What is the motion of a particle located at r = 0 in a rotating rigid body?

• It moves very fast
• It moves in a small circle
• It does not move
• It oscillates

What is the plane of the circular path of particle P1 in Fig. 6.4?

• Parallel to the z-axis
• In the x-y plane only
• At an angle
• Perpendicular to the z-axis

What is the motion of the axis of a rotating fan that is oscillating?

• It remains fixed
• It moves randomly
• It rotates in a cone
• It oscillates back and forth

In rotational motion, what defines the size of the circular path of a particle?

• Its mass
• Its color
• Its temperature
• Its perpendicular distance from the axis

What is the key difference between the motion of P1 and P3 in rotational motion?

• P1 is heavier
• P1 moves slower
• P1 moves in a circle, P3 is stationary
• P1 vibrates