Physics are something related to science.

What it is

Physics are something like why do they use metal to hold these doors? And how are they helping the door stay so strong? lets find out. People use metal to hold doors because it helps it stay sturdy and strong, and it helps it from falling. And they help it stay so strong because if you take a rubber band, it is not so useful for holding doors because it will easily fall down so as the door but metal is strong. Physics are study of light or study of the N law, so it must e related to science.