So, for example, if we push equally hard on the back bumper and on the front bumper of a car in such a way that the two forces are the same size but pointed in opposite directions, then the total forc...So, for example, if we push equally hard on the back bumper and on the front bumper of a car in such a way that the two forces are the same size but pointed in opposite directions, then the total force on the car will be zero. Note that in this image, the net force points in the direction of F A because F A is larger than the oppositely directed F B . Therefore, the acceleration also points in the direction of F A . Credit: NASA/SSU/Aurore Simonnet
