 | Elijah Hinsdale Burritt - 1838 - 350 стор.
...their whole united force of attraction is 780 times less upon the Sun, than that of the Sun upon them. The Centre. of Gravity of a body, is that point in which its whole weight is concentrated, and upon which it would rest, if freely suspended. If two weights,... | |
 | 1870 - 956 стор.
...we are ; for without Gravity the earth would fly from the sun into space, and wander about for ever. The Centre of Gravity of a body is that point in which the sum of the forces of gravity, acting upon all its particles, are said to be united. If we hang up a... | |
 | Gaston Tissandier - 1882 - 830 стор.
...attempt. Having now seen how this point we call the centre of gravity acts, we may briefly explain it. The centre of gravity of a body is that point in which the sum of the forces of gravity, acting upon all the particles, may be said to be united. We know the... | |
 | Thomas Minchin Goodeve - 1883 - 368 стор.
...here, and that there must exist a centre of weight which is also a centre of parallel forces. Def. Tlu centre of gravity of a body is that point in which...to the weights of the respective parts of the body. The position of the centre may be found by experiment. It has been stated that the weight of a body... | |
 | Thomas Minchin Goodeve - 1887 - 372 стор.
...here, and that there must exist a centre of weight which is also a centre of parallel forces. Def. The centre of gravity of a body is that point in which...to the weights of the respective parts of the body. The position of the centre may be found by experiment. It has been stated that the weight of a body... | |
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The centre of gravity of a body is that point in which the whole weight may be supposed to act^ or is the centre of parallel forces due to the weights of the respective parts of the body. 