If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Predicting rotational inertia

Problem

Emily has a solid ball and a hollow ball, and wants to spin each around its axis of rotation. They have the same mass and radius.
Which object has more rotational inertia?
Choose 1 answer: