Not sure
You can't really, if you shake you shake, just try to work with it.
It doesn't.
If your car makes a wobbling sound at more than 40 mph, the first suspect is a wheel which is unbalanced. Confirmatory signs are that your steering wheel jiggles in your hands, and if you increase speed to about 60 mph wobbling and jiggling stop. Almost any tire retailer can fix this in 15 minutes.Warning. Before you actually try at 60 mph, check that all your lug-nuts are tight; it is probably not this, but if it is 60 mph might kill you.
Precession
Warped rotor(s)
That pulley is part of the water pump. The water pump has failed and needs replaced.
A wabbling is an act of shaking, wobbling, or vibrating from side to side.
wobbling
Because its loose
One of your tires is bad, or you need an alignment. or you are a woman
wobbling motion