The Nineteenth Century and After, Volume 71Leonard Scott Publishing Company, 1912 |
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Resultaten 6-10 van 100
Pagina 78
... force exerted shall be in excess of the downward pull of gravity . The muscles are also used to give that extra upward force , and in progressing upstairs or uphill , or when jumping , that force has to be considerably increased but in ...
... force exerted shall be in excess of the downward pull of gravity . The muscles are also used to give that extra upward force , and in progressing upstairs or uphill , or when jumping , that force has to be considerably increased but in ...
Pagina 79
... force giving the forward motion is the resultant of two forces , one being the constant and absolutely vertical pull of gravity due to the weight of the animal , bird , or machine , the other being the upward thrust in advance of the ...
... force giving the forward motion is the resultant of two forces , one being the constant and absolutely vertical pull of gravity due to the weight of the animal , bird , or machine , the other being the upward thrust in advance of the ...
Pagina 80
... forces : and , on the contrary , should the force C D B E A A exerted on B in the direction BD be greater than 1000 , the resultant must be in a direction above the half - angle . Now as the resultant of two equal opposing forces is in ...
... forces : and , on the contrary , should the force C D B E A A exerted on B in the direction BD be greater than 1000 , the resultant must be in a direction above the half - angle . Now as the resultant of two equal opposing forces is in ...
Pagina 81
... force of upward thrust required for a body of given weight to walk , run , or fly . How , then , are we to obtain this upward thrust in the air ? The air , unlike the ground , has no visible solidity upon which to obtain a fulcrum . It ...
... force of upward thrust required for a body of given weight to walk , run , or fly . How , then , are we to obtain this upward thrust in the air ? The air , unlike the ground , has no visible solidity upon which to obtain a fulcrum . It ...
Pagina 82
... force giving effect more or less at right angles to the direction of projection . In the case of birds the direction of projection must therefore be more or less horizontal in order to obtain an approximately vertical upward thrust ...
... force giving effect more or less at right angles to the direction of projection . In the case of birds the direction of projection must therefore be more or less horizontal in order to obtain an approximately vertical upward thrust ...
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Overige edities - Alles bekijken
Veelvoorkomende woorden en zinsdelen
action agricultural become Britain British British East Africa Catholic cavalry cent century character Christian Church classes coal Colonial Declaration of London duties effect emigration Empire England English existing expenditure fact favour force foreign France French German Government Hindoo Home Rule House of Commons idea Imperial important income increase India industrial influence interests Ireland Irish Irish Government Italy labour land less Liddon living Lord LXXI-No matter means ment mind Minister moral Morocco movement natural naval Navy never Newman officers Oratorio organisation Oxford Movement Parliament party political population Portuguese position present principle question railway realise reason recognise reform regard religious result Sea Lord ships Sir Edward Grey social Socialists society strike things tion to-day Tractarian trade Tripolitania United Kingdom wage Wales whole words writing