Curated OER
Forces in Action
Students investigate different forces and draw arrows to signify specific directions of force. Students are then shown a brick and they are asked to draw a diagram which will include labels for the forces that are acting on the brick....
South Carolina Educational Television
Know It All: Lift | Nasa Online
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 to see how this works.