dropped macbook wont turn on!?

My friend has the aluminum macbook and last night it fell of his bed (about three feet) and caused slight damage next to the ethernet cord (it was plugged in and it the ground on that side.)

Instantly the mac turned off, and now it wont turn back on. There was also a dvd in the drive that can't get out now either. When he tries turning on his mac nothing happens expect it makes that tiny noise as if you're turning it off. The inside mechanics can be felt (slightly) when trying to turn it on. Also the battery will still charge...

Any ideas as to what's wrong or what should be done?