Isaac Newton - isn't he the guy who discovered gravity? Great! So, what's gravity? Aaaah, gravity is the force that makes objects fall towards the ground. And, without gravity, we'd all float!

Hi, everyone, I'm Mwaksy. I'm Greg.Quick question, Greg. Yes. So, I know if I let drop this apple,it will fall because of gravity. Yes.Ooh! Good catch.But what exactly is gravity? Gravity is a ...