Your tires are bad or you need an alignment. Get your tires checked, they may need to be replaced or rotated, and you can check your alignment by letting go of the steering wheel while driving, if it drifts left or right significantly, you need an alignment.
The steering wheel is mounted on the steering column.
What make the steering wheel shake is the tires that need wheel balance.
Not the steering wheel shake itself, however what is causing the steering wheel shake, can certainly be extremely dangerous and potentially cause you to lose control of the vehicle. **GET IT CHECKED OUT BEFORE THAT HAPPENS**
you need new tirods
Wheel balance
Yes A VERY common concern is steering wheel shake due to ice in the rims
Yes, it is possible. Any loose/worn front end part can cause steering wheel to shake.
usually your cars out of alinment
Tires,inner tie rod bushings, if the steering wheel shakes when brakes are applied - brake rotors warped.
Tire out of balance or bent wheel.
The steering column is the part the steering wheel is mounted on.
Chrysler... kind of