Videos
AP Physics 1
Pick a topic to watch.
8 video lessons
9:04
Kinematics
Two balls leave a table at the same moment. One is simply dropped. The other is fired sideways, hard. Wh…
10:50
Force & Translational Dynamics
Three skydivers, far above the ground. Gravity is pulling every one of them down, hard. Yet they hang th…
8:07
Work, Energy, and Power
Look up at the first hill of a roller coaster. A chain drags the train to the top, then lets go. There i…
7:49
Linear Momentum
Five steel balls hang in a row, just touching. Lift one, let it go, and one ball flies off the far end. …
7:41
Torque and Rotational Dynamics
Push a heavy door right next to its hinge, as hard as you can. It barely moves. Now push with the same f…
7:54
Energy and Momentum of Rotating Systems
Watch a skater spinning with her arms stretched out. She pulls them in — and suddenly she spins much fas…
7:48
Oscillations
Two identical springs, two identical masses. Pull one of them far down. Pull the other only a little. Le…
8:06
Fluids
A steel nail dropped into water goes straight to the bottom. Now look at this ship. It is built from the…