### Lecture 15: Static fluids

**Objectives:**In this lecture, students will learn to

- define pressure
- relate the increase in pressure to the increase in depth
- formulate Pascal's Principle
- explain fluid phenomena in terms of Pascal's Principle
- relate the buoyancy force to the properties of the immersed object
- apply Newton's 2nd law to static fluid problems

**Lecture Notes:**

- Powerpoint: lec15.pptx
- Pdf (recommended for printing): lec15.pdf

**Videos:**

No Introduction | ||

Pressure | Video 2.mp4 | with captions |

Atmospheric pressure. Magdeburg Hemispheres | Video 3.mp4 | with captions |

Pascal's Principle | Video 4.mp4 | with captions |

Example for Pascal's Principle | Video 5.mp4 | with captions |

Buoyancy force | Video 6.mp4 | with captions |

Example for buoyancy | Video 7.mp4 | with captions |

Integrated Example | Video 8.mp4 | with captions |

**Just for fun:**

Man flies in camping chair tied to Helium balloons | ||

More videos on the website: Please don't do this at home! | The Adventurists |

**Homework assignment:** HW #15