A car is moving at a constant speed along a straight line. Which statement is true about the forces acting on the car?

The net force acting on the car from all directions is zero.

The net force acting on the car is greater than the car's weight.

The net force acting on the car is in the direction of the car's motion.

The net force acting on the car is in the opposite direction of the car's motion.

Question

A car is moving at a constant speed along a straight line. Which statement is true about the forces acting on the car?

The net force acting on the car from all directions is zero.

The net force acting on the car is greater than the car's weight.

The net force acting on the car is in the direction of the car's motion.

The net force acting on the car is in the opposite direction of the car's motion.

anonymous · Answer

Moving at constant speed means you are not speeding up (accelerating).
If you think about what a force is, according to Newton's Laws, you should be able to come a reasonable conclusion about the forces acting on the car.

shamim · Answer

Newtons second law of motion is 
F=ma
Given a=0
So summation of F=0

shamim · Answer

Feel free to ask for more clarification