The systems in a engine are connected to a pole, as they go up and down they turn the pole which makes the wheels go.
cars and motorbikes haves kinds of brakes called disc brakes which make them slow down or stop.
When you press a car's brake pedal, a liquid called brake fluid is pushed down a pipe to the brake pads.
The motorbikes work similar to cars but they have a smaller engine and they go faster. A driver uses handles on a motorbike to accelerate.
