A stalled car is being pushed up a hill at constant velocity by three people. Neglect the friction. The net force on the car is zero down the hill and equal to the weight of the car. up the hill and...

With detailed explanation pls including the principles involved

Extracted text: A stalled car is being pushed up a hill at constant velocity by three people. Neglect the friction. The net force on the car is zero down the hill and equal to the weight of the car. up the hill and equal to the weight of the car. up the hill and greater than the weight of the car. down the hill and greater than the weight of the car.