Gravity if you are coasting.
What stops a car from moving forward or backward
Turn wheels to edge of road. If car starts to roll backward down hill, it will back off of the road.
roll it up hill
The thing that propels the car forward or backward.
Potential energy is gained as the roller coaster car goes up to the top of the first hill. This type of energy is due to the car's height above the ground and its potential to do work as it moves downhill.
Potential energy is used to get the roller coaster car up the first hill. The potential energy is converted to kinetic energy as the car goes down the hill. The potential energy is typically provided by a motor or chain lift system.
Race car.
A tone
The car is losing kinetic energy as it climbs the hill. This kinetic energy is being transferred into potential energy due to the increasing height gained during the climb.
The car will have the most kinetic energy at the bottom of the hill where it has reached its maximum speed due to gravitational acceleration. At this point, the car's kinetic energy will be at its peak before any external forces start to slow it down as it goes uphill.
Drunette Hill goes by Dru Hill.