Chapter 13 Forces in Fluids Study Guide



Forces in Fluids Study Guide

Lift buoyant force depth

Volume Bernoulli’s principle atmospheric pressure

Decreases equally faster

Fluid Pascal’s Principle force divided by area

14.7 lbs per sq. in. buoyancy increases

The type of fluid

|Formula used to calculate pressure | |

|Pressure of a liquid at a specific depth depends on | |

|A change in the pressure at any point in a fluid in a closed container| |

|is transmitted equally and unchanged in all directions throughout the | |

|fluid. | |

|Upward force acting on the wing of an airplane in flight | |

|Air above the wing of an airplane in flight travels__________than air | |

|below the wing. | |

|The upward force acting on an object submerged in a fluid. It is | |

|equal to the weight of the fluid displaced by the object. | |

|Apparent loss of weight of an object in a fluid. | |

|The weight of the atmosphere above a particular location causes this | |

|Pressure of the air at sea level | |

|Strength of the buoyant force acting on an object in a fluid depends | |

|on the object’s ___________ | |

|As the speed of a fluid increases, the pressure within the __________.| |

|As your altitude __________, air pressure decreases. | |

|The pressure exerted by a fluid at any given depth is exerted | |

|__________ in all directions. | |

|Substance that assumes the shape of its container | |

|The pressure exerted by a fluid increases with __________. | |

|Fast moving air creates low pressure or as the speed of a fluid | |

|increases, the pressure within the fluid decreases. | |

Things to Know:

What makes a hot air balloon float?

Be able to apply Bernoulli’s principle to explain a situation.

A rock weighs 18N. Measured underwater, it weighs 10N. What is the size of the buoyant force exerted by the water on the rock?

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