Sprint 78 · Chapter 6

Centre Of Gravity And Balancing Problems

Find where gravity's torque acts, then solve bars on knife edges, a ladder against a wall and a car on its wheels.

1. 1Where Gravity's Torque Acts
2. 2Bar on Two Knife-Edges
3. 3The Ladder Against the Wall
4. 4Two Balance Figures
5. 5Reactions on a Car's Wheels
6. 6The Bar Hanging From Two Strings
7. 7Your Turn: A Longer Ladder