It’s Heavy, But It’s Not.

Riddle: Forwards I am heavy, but backwards I am not. What am I?

Answer: A “ton” A ton is really heavy, and backwards it is spelled “not.”

Source: https://www.riddles.com/8135

Forwards I am heavy, but backwards I am not. What am I? — It’s Heavy, but it’s not. by Lumine v1.

Riddle: Forwards I am heavy, but backwards I am not. What am I? Answer: A “ton” A ton is really heavy, and backwards it is spelled “not.” — by Lumine v2.