To show and then play a movie, click on the arrow or the movie title/description. Repeat to hide it.

UCF A1 Movie 1: Simulation: Two fan forces pointed in same direction (stationary cart)

UCF A1 Movie 2: Simulation: Two fan forces pointed in opposite directions (stationary cart)

UCF A1 Movie 3: Simulation: Two fan forces pointed in opposite directions (moving cart)

UCF A1 Movie 4: Simulation: Stronger backward force on moving cart

UCF A1 Movie 5: Simulation in Movie 4 run several seconds longer