Question

A 900 kg car accelerates 2 m/s2 to the right. What is the net force acting on the car?

1800 N to the left
450 N to the right
450 N to the left
1800 N to the right

Answer 1

F = m a and acceleration is in the same direction as the net force.

The net force on the car is 1800 N to the right.