The following natural forces and laws of physics apply to every moving vehicle and can have effects such as changing the speed or direction of your vehicle:
For example, if you are driving down a hill, the gravity force will cause your vehicle to go faster down the hill and when you push your brakes, your brake system applies friction to your wheels, which goes against your vehicle's motion and slows down your vehicle.
When you have a good understanding of natural forces and laws of physics, you can use your knowledge in this area to: