As I rode in the car this weekend, I saw how inertia affects our everyday lives. Traffic is a great example of Newton's first law due to the constant yet sudden starting and stopping. As the car from a stop accelerates to 20 miles per hour, my body at first leaned back because it wanted to stay at rest. However, I eventually gained speed and moved along with the rest of the car at 20 miles per hour. When the car came to a sudden stop, my body wanted to continue moving at 20 miles per hour, the speed I had been traveling at, so I flew forward. The seat belts stopped my body from continuing to move forward. This prevented me from going through the front windshield of the car. Therefore, due to physics and Newton's first law, seat belts are necessary when riding in a car.
After we got home, we reenacted this situation on an empty side street. I used a phone to make this video so the quality is kinda bad. Also, sorry for my language at the end. It's not anything too bad :)