Rotational Dynamics Quiz

What does torque (τ) relate to in rotational motion?

• Mass (m)

• Velocity (v)

• Force (F)

• Acceleration (a)

What is the formula for torque?

• τ = Iα

• τ = Fv

• τ = mgh

• τ = rFsinθ

What does the moment of inertia (I) represent?

• Mass (m)

• Angular velocity (ω)

• Torque (τ)

• Linear velocity (v)

Which equation is similar to Newton's second law for rotation?

• τ = Iα

• a = rα

• F = ma

• v = rω

In a pulley system, what creates torque?

• Gravity

• Tension

• Mass

• Friction

What does the equation v = rω represent?

• Moment of inertia

• Linear velocity

• Angular velocity

• Torque

What happens to angular momentum (L) when no external torque acts?

• It increases

• It remains constant

• It becomes zero

• It decreases

What is the relationship between linear acceleration (a) and angular acceleration (α)?

• a = rα

• a = vω

• a = Iα

• a = τ

What does the no slipping condition in rolling motion state?

• vcm = τ

• vcm = a

• vcm = Rω

• vcm = Iω

What should you do first when solving a rotational dynamics problem?

• Identify known variables

• Check units

• Draw a diagram

• Apply equations