There's a bracket that attaches to your rear dropout(the place where the wheel is bolted to the frame) and then the trailer hitch hooks up to that.
Go to this link: http://www.dirt-bike-tips-and-pics.com/rear-shock.html It explains (with pictures) how to adjust rear suspension. Keep in mind adjusting the front or rear of the bike will effect how the other end handles so after adjusting the rear, the front end may handle differently also.
Revolutions per minute of the rear wheel
Pushing on the cranks puts tension on the chain, which rotates the rear wheel and pushes the bike forward.
A bicycle has two contact points with the ground, front and rear wheel. Whatever makes sense to do at one of them (braking or suspension), will probably be sensible to do at the other as well.
No.
A full-sus MTB will have both a sus fork and suspension for the rear wheel. A Hard Tail MTB will have a sus fork but will look like a regular bike in the frame, with no suspension for the rear wheel. "All-Mountain means that the bike is light enough and sized well enough to be able to be ridden uphill while still being strong enough to hold together for a decent downhill run.
First gear on a bicycle with external/derailer gears is with the chain on the smallest chainwheel(by the pedals) and the biggest sprocket(by the rear wheel).
Doing a wheelie AKA manual means getting the bike onto its rear wheel and ride it some ways balanced on the rear wheel.
To transfer power from the pedals to where it can be used - the rear wheel.
Jensonusa has one for $45.
It's rear wheel drive, motorcycles of any description that are front wheel drive are very rare.