Lessons in elementary physics |
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Page 12
... tending to stop all motion at the earth's surface . To illustrate the former let us make a smooth stone slide along the ground : it will soon be brought to rest through friction ; now take the same stone to a smooth sheet of ice , and ...
... tending to stop all motion at the earth's surface . To illustrate the former let us make a smooth stone slide along the ground : it will soon be brought to rest through friction ; now take the same stone to a smooth sheet of ice , and ...
Page 15
... tending to produce motion at its surface . Thus at the pole there is no motion of rotation , while at the equator there is a motion nearly equal to a mile in three seconds , and yet the same force will produce the same motion at the ...
... tending to produce motion at its surface . Thus at the pole there is no motion of rotation , while at the equator there is a motion nearly equal to a mile in three seconds , and yet the same force will produce the same motion at the ...
Page 27
... tending to cause motion in the direction A B , and suppose that the line A B has FIG . 8 . B as many units of length as the force has units of force ( see definitions , Arts . 8 and 14 ) ; then A B is a correct representation of the ...
... tending to cause motion in the direction A B , and suppose that the line A B has FIG . 8 . B as many units of length as the force has units of force ( see definitions , Arts . 8 and 14 ) ; then A B is a correct representation of the ...
Page 29
... tending force equal to 49 , or half that of gravity , must therefore have been applied to the system . Now , as the whole force of gravity is represented by the weight of the body , the upward tending force or resistance will be ...
... tending force equal to 49 , or half that of gravity , must therefore have been applied to the system . Now , as the whole force of gravity is represented by the weight of the body , the upward tending force or resistance will be ...
Page 32
... tending to produce rotation in one direction is precisely equal to the sum of those tending to produce rotation in an opposite direction . Example . - On a straight lever without weight we have on the right hand of the fulcrum two ...
... tending to produce rotation in one direction is precisely equal to the sum of those tending to produce rotation in an opposite direction . Example . - On a straight lever without weight we have on the right hand of the fulcrum two ...
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Common terms and phrases
98 metres acid action angle atmosphere attraction ball battery body Cambridge carbon carbonic acid carriage centimetre conductor copper Crown 8vo cubic cubic centimetre denote density direction distance double earth Edition electricity energy of position equal experiment Extra fcap fact fall fcap fluid force of gravity friction gases glass grammes heat hence Illustrations instance iron kilogrammes law of motion length LESSON liquid luminous magnet manner mass means mercury metals metres per second miles millimetres mirror moving needle oscillation Owens College parallelogram of forces particles pendulum piston plane plate pressure produced Professor proportional quantity represent resistance rest side solid sound space passed specific gravity specific heat square square centimetre stone string substance surface temperature Trinity College tube unit upwards vapour various velocity of 98 vertical vessel vibration wave wave-length weight whole wire zinc
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