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

Calculating gravitational potential energy of a system


Two moons are a distance 2r from each other, as seen below. One moon has mass 2m, and the other moon has mass 4m.
What is the gravitational potential energy of the two moon system?
Choose 1 answer: