What can you do with 100 battery-powered toy cars? Why does a rocket go up when its thrusters are pointing down? Why should you carry your grocery bags at your elbows instead of in your hands? The answers to these questions and more lie ahead.
What keeps airplanes up? What happens to Earth’s atmosphere as the planet spins? For answers to these questions and more, read on!
In this episode, we look at different objects in free fall. When you drop an object from a high height, and it is in the air, there are no forces acting on it other than gravity. This is called free fall. Can objects fall faster than free fall? It turns out an outstretched slinky can, because of the force of the bottom pulling the top down!