Practical PhysicsGinn, 1922 - 472 pages |
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Page vii
... Solids V. FORCE AND MOTION Molecular Motions in Liquids . Definition and Measurement of Force . Composition and Reso- lution of Forces . Gravitation . Falling Bodies . Newton's Laws VI . MOLECULAR FORCES . Elasticity . Capillary ...
... Solids V. FORCE AND MOTION Molecular Motions in Liquids . Definition and Measurement of Force . Composition and Reso- lution of Forces . Gravitation . Falling Bodies . Newton's Laws VI . MOLECULAR FORCES . Elasticity . Capillary ...
Page 8
... SOLIDS ( In grams per cubic centimeter ) Aluminium Brass 2.58 Nickel . 8.9 S.5 Oak . .8 Copper 8.9 Pine . .5 Cork .24 Platinum 21.4 Glass 2.6 Silver . 10.5 • Gold 19.3 Tin . Iron ( cast ) 7.4 Tungsten Lead 11.3 Zinc .. 7.3 . 19.6 7.1 ...
... SOLIDS ( In grams per cubic centimeter ) Aluminium Brass 2.58 Nickel . 8.9 S.5 Oak . .8 Copper 8.9 Pine . .5 Cork .24 Platinum 21.4 Glass 2.6 Silver . 10.5 • Gold 19.3 Tin . Iron ( cast ) 7.4 Tungsten Lead 11.3 Zinc .. 7.3 . 19.6 7.1 ...
Page 22
... solid . The specific gravity of a body is by definition the ratio of its weight to the weight of an equal volume of water ( § 17 ) . Since a submerged body displaces a volume of water equal to its own volume , how- ever irregular it may ...
... solid . The specific gravity of a body is by definition the ratio of its weight to the weight of an equal volume of water ( § 17 ) . Since a submerged body displaces a volume of water equal to its own volume , how- ever irregular it may ...
Page 22
... them . Submarines are propelled on the surface by Diesel oil engines ; underneath the surface , by storage batteries and electric motors 31. Specific gravity of a solid lighter than water . The Details of a Submarine.
... them . Submarines are propelled on the surface by Diesel oil engines ; underneath the surface , by storage batteries and electric motors 31. Specific gravity of a solid lighter than water . The Details of a Submarine.
Page 23
... solid lighter than water . If the body is too light to sink of itself , we may still obtain the weight of the equal volume of water by forcing it beneath the surface with a sinker . Thus , suppose w , represents the weight on the right ...
... solid lighter than water . If the body is too light to sink of itself , we may still obtain the weight of the equal volume of water by forcing it beneath the surface with a sinker . Thus , suppose w , represents the weight on the right ...
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Common terms and phrases
ammeter amperes angle armature ball body calories carbon charge circuit coil color condenser conductor connected convex lens copper cubic centimeter Daniell cell density diameter direction distance dynamo earth electric electric charge electroscope engine equal experiment fact fall flame focal length fork freezing friction galvanic cell galvanometer gases glass gram gravity heat Hence hydrogen inch induced iron kinetic energy lamp Leclanché cell lens lever light lines of force liquid mass mechanical advantage mercury metal meter mirror molecules motion moving needle ohms opposite overtone pass pipe piston placed plane plate pole position potential pressure produced pull pump QUESTIONS AND PROBLEMS rays reflected resistance rotation shown in Fig shows sound specific gravity speed steam substances surface temperature thermometer tion tube vapor velocity vessel vibration volts wave length weight wheel wire zinc
Popular passages
Page 458 - And show me how they calculated the initiatory speed of our car?" "Yes, my worthy friend; taking into consideration all the elements of the problem, the distance from the center of the earth to the center of the moon...
Page 67 - Any two bodies in the universe attract each other with a force which is directly proportional to the product of the masses and inversely proportional to the square of the distance between them.
Page 393 - The magnifying power of an astronomical telescope is therefore the focal length of the objective divided by the focal length of the eyepiece. It...
Page 22 - Archimedes stated that a body immersed in a fluid is buoyed up by a force equal to the weight of the displaced fluid.
Page 84 - Every body continues in its state of rest or uniform motion in a straight line, except in so far as it is compelled to change that state by a force impressed upon it.
Page 367 - Index of refraction. The ratio of the speed of light in air to its speed in any other medium is called the index of refraction of that medium.
Page 260 - The resistance of any conductor is directly proportional to its length and inversely proportional to the area of its cross section or to the square of its diameter.
Page 60 - ... is, the resultant of two parallel forces acting in the same direction is equal to the sum of the two forces.
Page 62 - For in § 79 it was shown that if any one force is to have the same effect upon a body as two forces acting simultaneously, it must be represented by the diagonal of a parallelogram the sides of which represent the two forces. Hence, conversely, if two forces are to be equivalent in their...
Page 2 - Thus, there are 12 inches in a foot, 3 feet in a yard, 5^- yards in a rod, 1760 yards in a mile, etc.