A Laboratory Course in Everyday PhysicsMacmillan, 1931 - 205 σελίδες |
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Σελίδα 11
... exerted 2 in . from the fulcrum . What is the advantage ? What pressure will be exerted by 10 lb. of force ? Neglect the weight of the upper half of the fruit press . Make a sketch . 17. In using a can opener , if we place the center of ...
... exerted 2 in . from the fulcrum . What is the advantage ? What pressure will be exerted by 10 lb. of force ? Neglect the weight of the upper half of the fruit press . Make a sketch . 17. In using a can opener , if we place the center of ...
Σελίδα 20
... exerted through any distance . For example , when a window is raised , work is done because a force is exerted through the distance the window is raised ; when a scuttle of coal is carried up- stairs , work is done because a force is ...
... exerted through any distance . For example , when a window is raised , work is done because a force is exerted through the distance the window is raised ; when a scuttle of coal is carried up- stairs , work is done because a force is ...
Σελίδα 299
... exerted through any distance . We learned there also that the units of work in common use are the foot pound and the gram centimeter . A foot pound of work is done when 1 lb. of force is exerted through a distance of 1 ft . I A gram ...
... exerted through any distance . We learned there also that the units of work in common use are the foot pound and the gram centimeter . A foot pound of work is done when 1 lb. of force is exerted through a distance of 1 ft . I A gram ...
Περιεχόμενα
CHAPTER | 1 |
CHAPTER II | 13 |
CHAPTER III | 20 |
Πνευματικά δικαιώματα | |
16 άλλες ενότητες δεν εμφανίζονται
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
amperes appliances armature atmosphere B. T. U. of heat bell body boiling point Boyle's law British Thermal Unit calories carbon centimeter coil cold water compressed convection cooled copper cubic cylinder Daniell cell density diagram direction distance dynamo electric current electromagnet electromotive force engine equal evaporation example exerted expands experiment fire flask foot pounds force arm fruit press fulcrum gases glass gram hot-water induced current iron jackscrew Joule's law lamp latent heat Leclanché cell lens lever lines of force liquid magnetic lines measure mercury metal meter molecules motor moves north pole object Ohm's law ohms Pascal's law passes pipe piston placed plate poundals pressure produced radiation rays resistance screw shown in Fig sound south pole square inch steam stove stroke substance surface tank temperature thermometer tube turned vacuum valve velocity vibration volts volume warmed watts waves weight arm wire