Physics in Everyday Life |
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alternating current ammeter amperes angle ball battery body boiling point called capillary action carbon cell centimeters charge circuit cm³ coefficient coil color condenser conductor copper cubic density direct current direction disc dynamo electric electrode electrolyte electromotive force electroscope energy engine equation example exerted Explain feet fluid force friction given glass grams gravity heat illustrated inch induced e.m.f. iron kilogram lamp length lens Leyden jar light lines of induction liquid longitudinal waves machine mass means measured mercury metal meter mirror motion moving N-pole needle negative object Ohm's law ohms passing pendulum pipe piston pitch placed plate poles position potential poundals pounds pressure pump radium rays reflected refraction resistance rotation shown in Fig sound waves specific gravity steam substance surface temperature tion tube units valve vapor velocity vessel vibrations per second voltaic cell volts weight wheel wire zinc
Popular passages
Page 30 - Change of motion is proportional to the impressed force and takes place in the direction of the straight line in which the force acts.
Page 17 - Apothecaries' weight 20 grains = 1 scruple 3 scruples = 1 dram 8 drams = 1 ounce 12 ounces = 1 pound Avoirdupois weight 27 i1 grains = 1 dram 16 drams = 1 ounce 16 ounces = 1 pound 2,000 Ibs.
Page 426 - A stroke of lightning is a charge of electricity which passes with terrific force from one cloud to another, or from a cloud to the earth, or from the earth to a cloud.
Page 198 - BTU, represents the amount of heat required to raise one pound of water one degree Fahrenheit in temperature.
Page 216 - Relative humidity" means the ratio of the amount of water vapor in the air at a specific temperature to the maximum water vapor capacity of the air at that temperature. (v) "Residential building...
Page 475 - Ike current is directly proportional to the electromotive force and inversely proportional to the resistance.
Page 503 - Daniell's cells are to be used each having an EMF of 1 volt and an internal resistance of 3 ohms.
Page 452 - ... is proportional to the strength of the current and to the time...
Page 198 - The specific heat of a substance is numerically equal to the number of calories required to raise the temperature of one gram of the substance one degree Centigrade.