Question 421 ▼ How does a figure skater increase spin speed? By pushing the ice By increasing mass By applying friction By pulling arms in to reduce moment of inertia Check Answer Report Question
Question 422 ▼ What is the result of dLz/dt = τ when I is constant? τ = Iω τ = Iθ τ = Iv τ = Iα Check Answer Report Question
Question 423 ▼ Which factor does not affect angular momentum in fixed-axis rotation? Axial torque Moment of inertia Angular velocity Perpendicular torque Check Answer Report Question
Question 424 ▼ What is conserved in rotational motion when net external torque is zero? Linear momentum Kinetic energy Potential energy Angular momentum Check Answer Report Question
Question 425 ▼ How is torque represented when only axial components matter? τî τĵ τk̂ τr̂ Check Answer Report Question