Question

tell me a one science readdle ???

Answer 1

I always oppose the object
relative motion.
I am too strong to move
tell me who I am

Answer-. Friction

Answer 2

Many have heard it, but nobody has ever seen it. It will not speak back until spoken to. What is it?

Answer
An echo


What is black when you buy it, red when you use it and gray when you throw it away?

Answer
Charcoal


What can eat a lot of iron without getting sick?

Answer
Rust



What is the center of gravity?

Answer
The letter “v”

I am a god, a planet and I can measure heat. What am I?

Answer

Mercury