yes you can but if you cut too much you will kill the tree.
The roots provide the life source to the tree , so, cut the roots, kill the tree.
no
Not if you cut them all. Why do you want to cut them ? If the tree is in the wrong place remove it.
cut the roots, but not to much of the root or you will kill it
Yes.
When you cut the tree down the roots will live on and continue to support your slope. Slowly another tree will start to grow. However, if you kill the roots they will eventually rot out and your slope will lose it's support.
probably not.
Cutting a tree down dos not kill it. The roots are still alive and well and often put up shoots from the cut off trunk to replace the original trees canopy. Killing the root of a tree after it is cut down often entails digging the roots up or injecting the stump with herbicide or other poisons.
You can trim a tree with no problem , but take too much and it will kill the tree.
It is the small fiberous roots that get the nutrients and water from the soil, the larger roots are mainly for transporting the nutrients and water up to the tree. Each of the roots is responsible for a certain part of the tree. So if you were to cut off some roots, only the parts of the tree that they served would be affected.
You can but it can cause some problems, the main one being that the tree will be unstable in the wind.