Answer:
Can be achieved in a car or as a position during conflict
What is the center of gravity?
I start in little but I end in full, you'll find me in half and complete.
What is something that can go up quite easily, but is not as easy to bring back down?
What has 4 fingers and a thumb, but is not living?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.