Meghan and Kailey are attempting to push a piano down the hallway, but as they turn up the 8thgrade hallway they are faced with a hill. Meghan and Kailey are pushing with a force of 10N each, but the heavy piano is exerting a force of 50N in the opposite direction. Will the girls be able to push the piano? What happens if two other students begin to help by pulling on the piano. Danny pulls with a force of 17N and Liam pulls with a force of 16N. How much force is being exerted on the piano, and will the piano move?