| C | H | A | P | T | E | R 11 |
| Fluids |

This oriental fire-bellied toad is floating because the water exerts an upward force, the “buoyant force,” that balances its weight. Water is a fluid, and this chapter examines the forces and pressures that fluids exert when they are at rest and when they are in motion. (Creatas Dynamic Graphics Group/Alamy Images)

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