Consider a box sitting on the floor. if you applied 275 newtons of force horizontally to the right and the frictional force was 25 newtons, what would be the magnitude and direction of the net force?

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final