Launch Interactive Share to Google Classroom Information Standards An upward force called lift, acts on the airplane and opposes the downward forces of gravity. The lift force allows the airplane to get off the ground and stay in the air. Watch the simulation. Standards 4-PS3-3 Ask questions and predict outcomes about the changes in energy that occur when objects collide.4-PS3-3.PS3.C Relationship Between Energy and Forces Grades: 3 4 5 6 7 8 9 10 11 12 Subjects: SciencePhysical ScienceForces & Motion Collection: InteractivesActivitiesSimulations Series: NASA Science Simulations