Sprint 48 · Chapter 4

Friction: Static, Kinetic And Rolling

Use the laws of static and kinetic friction, find the angle of repose, and see where friction is a nuisance and where we need it.

1. 1Self-Adjusting, Then Sliding
2. 2The Box on the Train Floor
3. 3When Does the Block Slide?
4. 4Rolling Friction and Taming Friction
5. 5Your Turn: Rougher Floor, Steeper Slope
6. 6Friction Under Pressure
7. 7Pulling and Pushing a Mower
8. 8Push or Pull the Mower?