 ... called in geometry a parabola. But when the ball is thrown perpendicularly upwards, it will descend perpendicularly ; because the force of projection, and that of gravity, are in the same line of direction. We have noticed the centres of magnitude...  The Panorama of Science: Or, a Guide to Knowledge - Page 98by George Grant - 1849 - 320 pagesFull view - About this book
 | Mrs. Marcet (Jane Haldimand) - Physics - 1821 - 350 pages
...direction. We have noticed the centres of magnitude, and of motion ; but I have not yet explained to you, what is meant by the centre of gravity ; it is that point in a body, about which all the parts exactly balance each other ; if therefore that point is supported,... | |
 | Mrs. Marcet (Jane Haldimand), Thomas P. Jones - Physics - 1826 - 286 pages
...direction. \ We have noticed the centres of magnitude, and of motion ; but I have not yet explained to you, what is meant by the centre of gravity^ it is that point in a body, about which all the parts exactly balance each other : if therefore that point be supported,... | |
 | John Ayrton Paris - Amusements - 1827 - 918 pages
...gravity coincide, or fall in the same spot." " I now remember," cried Tom, " that the centre of gravity is that point, about which all the parts of a body exactly balance each other." " Now you are right ; it is, in other words, that point in which the whole weight, or gravitating influence,... | |
 | Physics - 1832 - 642 pages
...the same line of direction. We have noticed the centres of magnitude and of motion, but we have not yet explained what is meant by the centre of gravity....which the parts are heaviest; therefore, whenever the centre of gravity is unsupported, the body must fall. This sometimes happens with an overloaded... | |
 | 1832 - 650 pages
...the same line of direction. We have noticed the centres of magnitude and of motion, but we have not yet explained what is meant by the centre of gravity....parts no longer balancing each other, the body would full on the side at which the parts are heaviest; therefore, whenever the centre of gravity is unsupported,... | |
 | Ireland commissioners of nat. educ - 1835 - 398 pages
...called its centre of magnitude, that is, the centre of its mass or bulk. The centre of gravity is the point about which all the parts of a body exactly...other, in every position of the body ; if therefore this point is supported, the body will not fall. When a boat is in danger of being upset, it is dangerous... | |
 | Mrs. Marcet (Jane Haldimand), John Lauris Blake - Astronomy - 1836 - 540 pages
...direction. We have noticed the centres of magnitude and of motion; but I have not yet explained to you what is meant by the centre of gravity. It is that...all the parts of a body exactly balance each other; if, therefore, that point be supported, the body will not fall. Do you understand this? EMILY. I think... | |
 | Readers (Elementary) - 1836 - 424 pages
...called its centre of magnitude, that is, the centre of its mass or bulk. The centre of gravity is the point about which all the parts of a body exactly...other, in every position of the body ; if therefore this point is supported, the body will not fall. When a boat is in danger of being upset, it is dangerous... | |
 | Jane Marcet - 1839 - 544 pages
...direction. We have noticed the centres of magnitude and of motion ; but I have not yet explained to you what is meant by the centre of gravity. It is that...all the parts of a body exactly balance each other ; if, therefore, that point be supported, the body will not fall. Do you understand this ? EMILY. I... | |
 | John Ayrton Paris - Amusements - 1857 - 632 pages
...magnitude and gravity coincide, or fall in the same spot." " I now remember that the centre of gravity is that point about which all the parts of a body exactly balance each other." " Now you are right ; it is, in other words, that point in which the whole weight, or gravitating influence,... | |
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