General questions: A stalled car is being pushed up a hill at constant velocity by three people. The net force on the car is
A) zero.
B) up the hill and equal to the weight of the car.
C) down the hill and equal to the weight of the car.
D) up the hill and greater than the weight of the car.
E) down the hill and greater than the weight of the car.

Question

Quizplus · Accepted Answer

Since the car is being pushed at a constant velocity, the net force on the car is zero. The force being applied by the three people pushing the car is equal and opposite to the force of friction and gravity acting on the car.

General Questions: a Stalled Car Is Being Pushed Up a Hill