One of the lessons that interest me the most in round 5 is Newton’s laws of motion. There are three laws in total and all of them are related to forces and motions. The first law we can call it as the law of inertia which is about how an object move and rest. The second law is about mass if the object has greater mass it could go slower than the smaller mass if they have the same thrust. The law is the action of apply force on something and the output is the same.