Understanding Angular Momentum

What sensation do you experience on a merry-go-round as it speeds up?

• Feeling of weightlessness

• Feeling of dizziness

• Feeling of being pulled inward

• Feeling of being pushed outward

How is angular momentum calculated?

• Product of moment of inertia and angular velocity

• Sum of mass and velocity

• Product of mass and velocity

• Sum of moment of inertia and angular velocity

What rule helps determine the direction of the angular momentum vector?

• Right-hand rule

• Left-hand rule

• Thumb rule

• Index finger rule

What happens to an ice skater's rotational speed when they pull their arms in?

• It increases

• It remains the same

• It stops

• It decreases

Why do planets speed up when they are closer to the sun?

• Their mass increases

• Their moment of inertia decreases

• Their gravitational pull decreases

• Their distance from the sun increases