If he were to try to jump without giving that downward push, there would be no opposite push from the ground, and two things would happen: (1) shaun would not get very high off the ground, and (2) shaun’s board would not stay pressed against his feet, having no upward force applied to it. the passage above reflects the principles of a. newton’s first law of motion c. newton’s second law of motion b. newton’s third law of motion d. all of the above