PhysicsAppleton, 1878 - 149 páginas |
Dentro del libro
Resultados 1-5 de 16
Página 2
... have heard that this solid earth on which we dwell is in truth moving very fast round the sun , but we may , in the meantime , put away this thought altogether from our minds , be- 2 [ INTRO . SCIENCE PRIMERS . 99 of Motion.
... have heard that this solid earth on which we dwell is in truth moving very fast round the sun , but we may , in the meantime , put away this thought altogether from our minds , be- 2 [ INTRO . SCIENCE PRIMERS . 99 of Motion.
Página 3
... earth is moving very fast it carries us all along with it , and everything goes on as smoothly and quietly as if the earth were at rest . Well then , if I sit on a chair in a room I may say that I am at rest , but if I walk up and down ...
... earth is moving very fast it carries us all along with it , and everything goes on as smoothly and quietly as if the earth were at rest . Well then , if I sit on a chair in a room I may say that I am at rest , but if I walk up and down ...
Página 6
... earth at last brings them downwards to the floor . You see , therefore , that it needs force to stop a moving body . Again , in the second experiment , we communicate a downward motion to the pan , but the force of our arm which does so ...
... earth at last brings them downwards to the floor . You see , therefore , that it needs force to stop a moving body . Again , in the second experiment , we communicate a downward motion to the pan , but the force of our arm which does so ...
Página 7
... earth which acts upon the weight will bring it very soon to the floor ; but this force while I hold the weight is prevented from acting by my hand . Or , imagine the same weight to lie on the table ; if there were no table , it would ...
... earth which acts upon the weight will bring it very soon to the floor ; but this force while I hold the weight is prevented from acting by my hand . Or , imagine the same weight to lie on the table ; if there were no table , it would ...
Página 8
... earth . It falls down , we say , and the very words up and down depend upon the earth's force ; so that if the earth had no force , we should not use such words at all . The word " up " denotes a difficult motion against the earth's ...
... earth . It falls down , we say , and the very words up and down depend upon the earth's force ; so that if the earth had no force , we should not use such words at all . The word " up " denotes a difficult motion against the earth's ...
Otras ediciones - Ver todas
Términos y frases comunes
acid air-pump attracted BALFOUR STEWART battery blow boiling-point bottom brass bright bulb bulk for bulk buoyancy burning-glass called cannon cold colours conductor convection copper cubic inches cylinder Describe an experiment E. A. FREEMAN earth elec electric machine electroscope excited glass excited sealing-wax expand experiment showing fact feet fill fire force gases Give an instance glass support grains gravity heated body hot body Illustrate your reply iron kinds of electricity knob latent heat lens Leyden jar liquid magnify means mercury metal mirror motion move needle nitric acid particles pass phosphorus piston pith ball plate platinum positive electricity pound weight pressure Price Primer prism ray of light rise rubbed scale-pan Sketch solid sound spark steam stoneware strikes substance sulphuric acid surface temperature thermometer thing told tricity tube valve vapour velocity vessel vibrating body weight wire zinc