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Preparatory Physics: A Short Course in the Laboratory (Classic Reprint)
William John Hopkins
No preview available - 2018
50 grammes angle apparatus Apparatus.—App applied arithmetical mean axis balance beam block body bottle brass burette called cantilever Centre of Gravity coefficient of friction column convenient 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 inch inclined plane length lever line of balances liquid load magnet mark mass mean measurements ment mercury method metre stick motion move note-book observations particle pendulum perpendicular piece plane point of application portion pressure principle of moments produce pulleys quantity ratio record scale side specific gravity spring balance straight string substance Suppose surface suspended temperature tension thermometer tion truss tube units velocity vertical vibration volume weight wire
Page 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.
Page 31 - ... forces about any point is equal to the moment of their resultant about the same point.
Page 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.