Yes.
The spring supports the weight of the car and allows the suspension to move over bumps. The shock controls the movement of the spring so it doesn't keep bouncing.
Spring pocket, spring perch.
I would as it increases your stopping distance - I also have this problem on the front since rear impact on my jeep.
Check for a broken spring - they seldom break, but it is a possibility
You may have a broken spring but you should have it checked out by a car repair center.
Yes
Yes, yes and yes.
It has to do with the suspension,probably worn out shock`s or spring`s or both,maybe even a strut.
If you see leaks or broken parts. Also if car keeps bouncing, swaying badly or diving excessively on braking
Broken suspension part of some kind.
Most likely cause is that the suspension needs to be greased. Broken suspension components rubbing against other components is also a possibility.
Under inflated tires, broken sway bar, broken sway bar links, bad shocks/struts, broken springs, worn steering and suspension parts.