Why does a gyroscope precess when tilted?

[kasse]

[SOLVED] Gyroscope problem

Homework Statement

http://www.badongo.com/pic/3634214

The Attempt at a Solution

I think this topic is very difficult to grasp, but I've understood that when a torque is applied on the wheel, its angular momentum will chase that torque. One will therefore expect the small wheel to tilt against the woman. I know that the big wheel will start to spin, but why?

 

[hage567]

See if this helps: http://hyperphysics.phy-astr.gsu.edu/hbase/rstoo.html#sw

 

[kasse]

That was very helpful and easy to understand. Physics is all too often made more complex and difficult than it is.