Preparatory Physics: A Short Course in the LaboratoryLongmans, Green, and Company, 1894 - 147 من الصفحات |
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عبارات ومصطلحات مألوفة
50 grammes angle apparatus applied axis balance beam block body brass bridge burette called cantilever Centre of Gravity coefficient of friction column component forces copper cord cross-section cubic centimetres curve deflection deviations diagram diameter difference direction distance draw dynamometer edge equal equilibrium error EXERCISE experiment force exerted force F forces acting friction fulcrum given glass graduate Hang heat horizontal hydrometer inclined plane length lever line of balances liquid load magnet mark mass mean measurements ment mercury method metre stick molecules motion move note-book observations particle pendulum perpendicular piece plane plot point of application portion pressure principle of moments produce pulleys quantity ratio record scale side specific gravity spring balance standard candle straight string substance Suppose surface suspended temperature tension thermometer tion truss tube units velocity vertical vibration volume weight wire
مقاطع مشهورة
الصفحة 74 - Every body continues in its state of rest or of uniform motion in a straight line, except in so far as it may be compelled by impressed forces to change that state.
الصفحة 74 - Every particle continues in its state of rest, or of uniform motion in a straight line, unless it is compelled to change that state by a force impressed upon it.
الصفحة 31 - ... forces about any point is equal to the moment of their resultant about the same point.
الصفحة 93 - ... the ratio of the ovendry weight of a sample to the weight of a volume of water equal to the volume of the sample at some specific moisture content, as green, air-dry, or ovendry.
الصفحة 31 - The moment of a force about a given point is the product of the force and the perpendicular drawn from the given point upon the line of action of the force. Thus the moment of a force...