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# Physics Final WVU

### Conceptual Physics

Question | Answer |
---|---|

Law of Reflection | The angle of incidence is equal to the angle of reflection. |

Coulomb's Law | The equal force between two charges varies directly as the product of the charges and inversely as the square of the distance between them. If the charges are alike the force is repulsive. If the charges are unlike the force is attractive. |

Archimede's Principle | The emerged object is buoyed up by a force qual to the weight of the fluid it displaces. |

Boyle's Law | The product of the pressure and volume is a constant for a given mass of fine gas ass long as temperature remains unchanged. |

Ohm's Law | Current in a circuit is directly proportional to the resistance of the circuit. |

Conservation of Energy | Energy cannot be created nor destroyed. It may be transferred from one form to another but the total amount of energy never changes. |

Bernoulli's Principle | Pressure of fluid along a given stream line decreases as the speed of the fluid increases. |

Huygen's Principle | Light wave speeding out from a light source can be regaurded as a superposition of tiny secondary wavelets. |

Newton's First Law | Every object continues in a state of rest or uniform speed in a straight line unless acted on by an outside force. |

Newton's Second Law | Force = Mass x Acceleration |

Newton's Third Law | Every action always has an equal and opposite reaction. |

Uncertainty Principle | You cannot measure the exact position and momentum of a particle at the same time. |

First Law of Thermodynamics | Whenever heat is added to a system it transfers to an equal amount of some other form of energy. |

Second Law of Thermodynamics | heat cannot be transferred from a colder body to a warmer body without work from an outside agent. |

Law of Universal Gravitation | For any pair of objects, each particle attracts the other object with a force that is directly proportional to the product of the masses of the objects. |

Newton's Law of Cooling | The rate of cooling of an object is approximately proportional to the temperature difference between the object and its surrounding. |

Kepler's First Law | The path of each planet around the sun is an elipse with the sun at one focus. |

Kepler's Second Law | The path of each planet sweeps out equal areas of space. |

Kepler's Third Law | The square of the orbital period is directly proportional to the cube of the average distance of the planet from the sun. |

Conservation of Momentum | In the absense of an external force, the momentum of an object or system is unchanged. |

Conservation of Angular Momentum | With no external torque, no change of angular momentum takes place. |

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