ROTATIONAL MOTION

How many fixed points are there in the rotation of a ceiling fan?

• Only one point
• Two points
• One line (the axis)
• No fixed points

What is the trajectory of a particle in rotational motion?

• Straight line
• Elliptical
• Circular
• Zigzag

Can a rigid body rotate without being pivoted?

• No, impossible
• Only on Earth
• Yes, if it has angular momentum
• Only in liquids

What causes the axis of an oscillating fan to move?

• Wind pressure
• Gravity
• Magnetic field
• Mechanical oscillation mechanism

In which case does the angle α remain constant during motion?

• Rotation
• Combined motion
• Pure translation
• Oscillation