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

UFM L3 Movie 1: Moving cart given gentle backwards taps, with speed-time graph

UFM L3 Movie 2: Simulation of cart given backwards taps, with speed-time and force-time graphs

UFM L3 Movie 3: Fan exerts backward force on moving cart, with speed-time graph