ROTATIONAL MOTION

For a particle in rotational motion, in which plane does the particle move if the axis of rotation is the z-axis?

• y-z plane
• x-z plane
• x-y plane
• none of the above

What is the unit of angular acceleration?

• rad/s
• m/s²
• rev/s
• rad/s²

In the context of rotational motion, what does θ₀ represent?

• Final angular displacement
• Average angular velocity
• Initial angular displacement
• Angular acceleration

Which equation relates final angular velocity, initial angular velocity, and angular displacement without involving time?

• ω = ω₀ + αt
• ω² = ω₀² + 2α(θ - θ₀)
• θ = θ₀ + ω₀t
• ω = dθ/dt

Which of the following is the correct equation for angular displacement under uniform angular acceleration?

• θ = ωt
• θ = θ₀ + ω₀t + ½αt²
• θ = αt²
• θ = ω₀ + αt