Sprint 42 · Chapter 4

The Second Law Is A Vector, Local Law

Apply F = ma along each axis, to whole systems, and moment by moment: force now decides acceleration now.

1. 1Three Facts About F = ma
2. 2Exercises 4.2 and 4.3
3. 3Before, During, After a Force
4. 4The Stone From the Truck
5. 5Cut the Pendulum String