# Physical Science Ch 13 Review: Question Preview (ID: 18276)

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In order to calculate pressure exerted on a surface, what quantity is divided by the surface area? |
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a) altitude | b) force | c) mss | d) volume | |

If the air inside a balloon exerts a force of 1.5 N on an area of 0.5 m2, what is the pressure inside the balloon? |
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a) 0.5 N/m2 | b) 1.5 N/m2 | c) 2.5 N/m2 | d) 3 N/m2 | |

What is the SI unit of pressure? |
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a) g/cm3 | b) m/s2 | c) the newton | d) the pascal | |

A pressue of 70 N/2 equals |
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a) 7 Pa | b) 70 Pa | c) 700 Pa | d) 7000 Pa | |

Where is fluid pressure greatest? |
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a) 30 centimeters below the surface of a swimming pool. | b) 1 meter below the surface of the swimming pool | c) 2 meters below the surface of the swimming pool | d) The pressure is the same in all parts of the swimming pool. | |

Which of the following matreials is NOT a fluid? |
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a) air | b) cork | c) gasoline | d) water | |

Which of the following is NOT possible? |
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a) compressing 10 liters of oxygen gas into a 1-liter volume | b) compressing 2 liters of water into a 1-liter volume | c) filling a balloon using helium gas from a pressurized tank | d) allowing 5 liters of compressed air to expand to a volume of 100 liters | |

The pressure of a fluid at a specific depth |
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a) depends only on the type of fluid | b) is exerted only in the downward direction. | c) varies with the total volume of the fluid. | d) all of the above. | |

Two identical test tubes are filled with equal volumes of water and mercury. Which of the following statements is true? |
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a) The weight of both liquids is the same. | b) The bottom area of both test tubes is the same. | c) The pressure at the bottom of both test tubes is the same. | d) All of the above. | |

Atmospheric pressure is caused by |
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a) air currents | b) the weight of the atmosphere above a particular location | c) clouds | d) the altitude above sea level. | |

The pressure is caused by |
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a) air currents | b) the weight of the atmosphere above a particular location | c) clouds | d) the altitude above sea level | |

Which principle states that a change in the pressure at any point in fluid in a closed container is transmitted equally in all directions throughout the fluid? |
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a) Archimedes' principle | b) Bernoulli's principle | c) Newton's principle | d) Pascal's principle | |

The operation of a hydraulic lift system is explained by |
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a) Archimedes' principle | b) Bernoulli's principle | c) Newton's principle | d) Pascal's principle | |

Where will the greatest increase in pressure occur if you squeeze the middle of a upright, closed soft-drink bottle? |
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a) The greatest increase in pressure will occur at the top of the bottle. | b) The greatest increase in pressure will occur in the middle of the bottle. | c) The greatest increase in pressure will occur on the bottom of the bottle. | d) The pressure will increase equally everywhere within the bottle. | |

The hydraulic system of a dump truck is designed to multiply. |
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a) distance | b) force | c) pressure | d) speed | |

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