Answer:
When I get closer my tail grows longer but when I go away my tail leads the way.
I am used to bat with, yet I never get a hit. I am near a ball, yet never thrown. What am I?
I help engines spin and pants stay up
I am owned by the poor, the rich do not need me. If you eat me, you will die! What am I?
I march before armies, a thousand salute me. My fall can bring victory, but no one would shoot me. What am I?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.