Answer:
I hold two meanings. With one I may be broken with the other I hold on.
I am the key that is the hardest to turn
Poor people have it. Rich people need it. If you eat it you die. What is it?
I am used when you jump off a bridge for fun.
I am a five letter word. If you remove my first letter I am a form of energy. Remove my first two and I am needed to live. Scramble the last three and you can drink me. What am I?
The answer I give is yes, but what I mean is no. What was the question?