Answer:
I am heavy forward but backward I am not. What am I?
I always follow you around, everywhere you go at night. I look very bright to people, but I can make the sun dark. What am I?
The more you work, the more I'll eat.You keep me full, I'll keep you neat. What am I?
I can be heard in a court or carried with you.
I know a word of letters three. Add two and fewer there will be. What is the word?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.