Newton's 3 Laws of Motion! Science For Kids

U.S. NSF

What's are Newton's 3 Laws of Motion? Sir Isaac Newton was a famous scientist that lived almost 400 years ago. He is famous for learning and understanding how and why objects move – like when an apple falls to the ground from a tree. The first is called the Law of Inertia and explains why things move. It says that, “An object at rest stays at rest, and an object in motions stays in motion at its same speed and direction … unless acted upon by another force.” Newton’s second law talks about ho…