In 1687, Isaac Newton shared his first idea about how objects move, which is called the law of inertia, in his book "Principia." This video demonstrates that law. https://t.co/pZwgCq49zK https://video.twimg.com/amplify_video/1849984427847225344/vid/avc1/652x358/T40-6pFTnp4dSN-G.mp4?tag=16