Answer:
In many hall ways you would stand if not with me in hand.
We applaud if you perform well.
I can be driven but have no wheels. I can be sliced but still remains whole
You can see it everyday, but cannot touch it at will. What is it?
I'm the source of all emotion but I'm caged in a white prison.
When someone uses this acronym, you know you've got to pick up the pace