Practical PhysicsGinn, 1922 - 472 pages |
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Page iii
... represent the practical , everyday physics which the average person needs to help him to adjust himself to his surroundings and to interpret his own experiences correctly . But the conditions of modern life are changing at an aston ...
... represent the practical , everyday physics which the average person needs to help him to adjust himself to his surroundings and to interpret his own experiences correctly . But the conditions of modern life are changing at an aston ...
Page 2
... represented the length of the arm of King Henry I ) became established as a standard , the foot was arbitrarily chosen as one third of this standard yard . In view of such an origin it will be clear why no agree- ment existed among the ...
... represented the length of the arm of King Henry I ) became established as a standard , the foot was arbitrarily chosen as one third of this standard yard . In view of such an origin it will be clear why no agree- ment existed among the ...
Page 4
... represents the standard of mass in the metric system . It is called the standard kilogram and is equivalent to about 2.2 pounds . One one - thousandth of this mass was adopted as the fundamental unit of mass and was named the gram . For ...
... represents the standard of mass in the metric system . It is called the standard kilogram and is equivalent to about 2.2 pounds . One one - thousandth of this mass was adopted as the fundamental unit of mass and was named the gram . For ...
Page 9
... represent the mass of a body , that is , its total number of grams ; V its volume , that is , its total number of cubic centimeters ; and D its density , that is , the number of grams in 1 cubic centimeter ; then M D - V ( 1 ) This ...
... represent the mass of a body , that is , its total number of grams ; V its volume , that is , its total number of cubic centimeters ; and D its density , that is , the number of grams in 1 cubic centimeter ; then M D - V ( 1 ) This ...
Page 17
... represented in section in Fig . 12. As the small piston p is raised , water from the cistern C enters the piston chamber through the valve v . As soon as the downstroke begins , the valve v closes , the valve v opens , and the pres ...
... represented in section in Fig . 12. As the small piston p is raised , water from the cistern C enters the piston chamber through the valve v . As soon as the downstroke begins , the valve v closes , the valve v opens , and the pres ...
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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.