Newton's First Law

Newton's First Law

Newton’s First Law, also known as the Law of Inertia, states that an object at rest stays at rest, and an object in motion continues in motion with the same speed and in the same direction unless acted upon by an external force. This means that objects resist changes in their ...

Imagine you're on a skateboard. When you push off the ground with your foot, you set the skateboard in motion.

Once the skateboard starts rolling, it keeps moving until something causes it to stop.

If you want to stop, you might press down on the back of the board, making it scrape against the ground.

This scraping generates fr...