A Laboratory Course in Everyday PhysicsMacmillan, 1931 - 205 σελίδες |
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Σελίδα 4
... force arm 6 in . long . Let us calculate the force necessary to produce 40 lb. weight or pressure . Weight weight arm force X force arm . 9 40 X force X 6 = = 30 force X 6 5 = force That is , an object in the jaws of the pliers is ...
... force arm 6 in . long . Let us calculate the force necessary to produce 40 lb. weight or pressure . Weight weight arm force X force arm . 9 40 X force X 6 = = 30 force X 6 5 = force That is , an object in the jaws of the pliers is ...
Σελίδα 10
Carleton John Lynde. Weight weight arm = force force arm Weight X 3 = 10 X 15 Weight or pressure = 50 lb. That is , 10 lb. of force applied to the handle produces a pressure of 50 lb. moving the grate under the ashes . It will be noticed ...
Carleton John Lynde. Weight weight arm = force force arm Weight X 3 = 10 X 15 Weight or pressure = 50 lb. That is , 10 lb. of force applied to the handle produces a pressure of 50 lb. moving the grate under the ashes . It will be noticed ...
Σελίδα 296
... force is twice as great as another if it produces twice as great a change of momentum as the other in a given time . Units of force . The common units of force are the pound and the gram . These are called the gravitational units of force ...
... force is twice as great as another if it produces twice as great a change of momentum as the other in a given time . Units of force . The common units of force are the pound and the gram . These are called the gravitational units of force ...
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