Find a hill and stop the car, using a friend to steer the car you get behind and push.....
Gravity if going uphill. Friction.
Gravity is trying to push the car down the hill. It takes more power to overcome that push of gravity. Unless you give the car more gas it will slow down.
No the can go faster downhill or uphill
When you go uphill, gravity helps slow down the car.
When parking uphill in a car with a manual transmission you should park with the transmission in what?
you drive the car up the hill.
Gravity. The car is heavy and doesnt want to move, so you must excelerate to make the car go uphill. If a car is going downhill, the is no need to excelerate because gravity is pulling the car downhill.
Engine is in need of tuning.
You need powered rails, powered by a redstone torch. These rails push you along, they can push you up a slope.
They have a weight of 1800 lbs so 70 hp is more than enough to push it up a hill. There are a number of cars with only a few more hp and weigh almost twice as much.