ROTATIONAL MOTION

If a rigid body completes one full revolution, what is the angular displacement?

• π radians
• 1 radian
• 360 degrees
• 2π radians

What is the role of the right-handed screw in determining angular velocity direction?

• To measure angular speed
• To stop the rotation
• To define the direction of the angular velocity vector
• To calculate linear velocity

How is instantaneous angular velocity obtained from average angular velocity?

• By multiplying by time
• By integrating over time
• By taking the limit as ∆t approaches zero
• By doubling the average value

What is the angular displacement of all particles in a rigid body during the same time interval?

• Different
• Zero
• Proportional to mass
• Same

What determines the magnitude of the linear velocity vector in rotational motion?

• Only ω
• Only r
• Magnitude of ω and r
• Direction of ω