It's called "free wheel". Free wheeling will allow the car to pick up speed which could get you in trouble and lose control. Also known as a "Geogia overdrive" illegal in most if not all states.
Gravity exerts a downward force on materials on a slope, causing them to slide or roll downhill. The steeper the slope, the greater the force of gravity pulling the materials downward. This can lead to erosion, landslides, or other slope instability.
Parking on a slope should not have any effect on starting a 1990's automobile.
a downward slope.
due to negative slope
Downward
supplycurve is negative slope in decreasing cost industry
It has a negative (downward) slope.
An anhedral is the downward slope of an aircraft's wing.
slope
A backslope is a downward slope, such as away from the bank of a river.
indifference curves slopes downward to the right
Anhedral refers to the downward slope of an aircrafts wings.