ROTATIONAL MOTION

What must be true for the kinematic equations of rotational motion to apply?

• Angular velocity is zero
• Angular displacement is zero
• Angular acceleration is constant
• The body is at rest

Which equation is used in Example 6.11 to find angular acceleration?

• θ = θ₀ + ω₀t + ½αt²
• ω = ω₀ + αt
• ω² = ω₀² + 2α(θ - θ₀)
• α = dω/dt

For how long is the motor wheel accelerated in Example 6.11?

• 10 seconds
• 16 seconds
• 20 seconds
• 30 seconds

In Example 6.11, what is the final angular speed in rpm?

• 1200 rpm
• 3120 rpm
• 16 rpm
• 2400 rpm

In Example 6.11, what is the initial angular speed given in rpm?

• 3120 rpm
• 16 rpm
• 1200 rpm
• 1920 rpm