Lessons in elementary physics1884 |
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Page 10
... this will vary as their volume . If , for instance , we have a number of similar cubes of iron , we know at once that the united mass of two such cubes will be double that of one , of three triple , ΙΟ CHAP . I. ELEMENTARY PHYSICS .
... this will vary as their volume . If , for instance , we have a number of similar cubes of iron , we know at once that the united mass of two such cubes will be double that of one , of three triple , ΙΟ CHAP . I. ELEMENTARY PHYSICS .
Page 11
... iron , and a similar cube of lead ? It may be answered by their weight , and , as we shall afterwards see , their weight is doubtless a correct representation of their mass ; but we cannot accept weight as a fundamental method of ...
... iron , and a similar cube of lead ? It may be answered by their weight , and , as we shall afterwards see , their weight is doubtless a correct representation of their mass ; but we cannot accept weight as a fundamental method of ...
Page 25
... iron to fall by the action of gravity ; at the end of one second it will have the velocity of 9.8 metres . Suppose , now , that at the same moment at which gravity began to act upon it , and to cause it to fall , it was acted upon by a ...
... iron to fall by the action of gravity ; at the end of one second it will have the velocity of 9.8 metres . Suppose , now , that at the same moment at which gravity began to act upon it , and to cause it to fall , it was acted upon by a ...
Page 26
... iron , is subjected to the attraction of a magnet that would bring it to D , the other side of the platform , in one second of time . This magnet will act in the same manner while the platform falls under the influence of gravity , so ...
... iron , is subjected to the attraction of a magnet that would bring it to D , the other side of the platform , in one second of time . This magnet will act in the same manner while the platform falls under the influence of gravity , so ...
Page 32
... iron lever or crow - bar , a man , if he has sufficient leverage , or purchase as it is called , inay raise a very large weight ; for although his own force is small , it acts at the end of a long arm , and hence its moment is great ...
... iron lever or crow - bar , a man , if he has sufficient leverage , or purchase as it is called , inay raise a very large weight ; for although his own force is small , it acts at the end of a long arm , and hence its moment is great ...
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Common terms and phrases
49 metres 98 metres action actual energy angle annealed applied atmosphere attraction ball beam carbonic acid carriage centre of gravity chemical affinity column compression cubic cubic centimetre cylinder denote density displacement distance double earth electricity energy of position equilibrium experiments fact fall fluid focus force of gravity force tending friction gases glass grammes hence increase instance kilogrammes latent heat law of motion length let us suppose liquid luminous mass means mercury metres per second miles mirror molecular momentum moving force oscillation particles pendulum piston plane plate pressure produce proportional ray of light represent resistance rest side solid sound space passed specific gravity specific heat square centimetre steam stone string substance temperature thermometer tube unit upwards vapour various velocity of 98 vertical vessel vibration visible energy visible motion volume wave wave-length weight whole zinc
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