# Homework Help: Calculating centripetal acceleration between moon and satelite

1. Feb 24, 2010

### okgo

2. Feb 24, 2010

### collinsmark

Not quite, but you are on the right track. $$GMm/r^2$$ is a measure of force. Technically to find the acceleration, set it equal to ma and, solve for a. Then, to solve your original problem, note how a varies with r.