A car is parked on the side of a hill. Which of the following most likely prevents the car from moving down the hill?
A)The car has too much mass to move easily.
B)There is friction in the door hinges of the car.
C)There is friction between the tires and the road.
D)The weight of the car is mostly on the front wheels.

Question

Quizplus · Accepted Answer

Friction between the tires and the road is what prevents the car from sliding down the hill. This frictional force counteracts the force of gravity pulling the car downhill.

A Car Is Parked on the Side of a Hill