ROTATIONAL MOTION

What does ω₀ represent in rotational kinematics?

• Final angular velocity
• Average angular velocity
• Maximum angular velocity
• Initial angular velocity

Which of the following is a correct kinematic equation for rotational motion?

• ω = αt²
• ω = ω₀ + αt
• ω = θ/t
• ω = 2αt

Which of the following is NOT a kinematic quantity in rotational motion?

• Angular displacement
• Angular velocity
• Torque
• Angular acceleration

What is the direction of the angular displacement measurement reference line?

• y-axis
• z-axis
• x′-axis parallel to x-axis
• tangent to the circle

Which figure in the text shows the angular position specification of a rigid body?

• Fig.6.30
• Fig.6.28
• Fig.6.29
• Fig.6.27