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書籍 If a line be drawn from the centre of gravity of a body perpendicular to the horizon,... の書籍検索結果
" If a line be drawn from the centre of gravity of a body perpendicular to the horizon, it is called the line of direction, because it is the line that the centre of gravity would describe if the body fell freely. "
An Easy Grammar of Natural and Experimental Philosophy: For the Use of Schools - 23 ページ
Sir Richard Phillips 著 - 1811 - 152 ページ
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English 18th Century Dances, 第 1 巻

1812
...cylinder is in the middle ol the axis that passes through the centre of gravity of their opposite bases. If a line be drawn from the centre of gravity of a body perpendicular to the horizon, and this perpendicular falls within the base upon which the body rests, the body will stand; but if...

The New Pocket Cyclopaedia: Or, Elements Or Useful Knowledge, Methodically ...

John Millard - 1813 - 671 ページ
...cannot fall. We may therefore consider the whole weight of a body as centred in this poiut. If a line is drawn from the centre of gravity of a body, perpendicular...because it is the line that the centre of gravity would desciibe, if the body fell freely. The broader the base, and the nearer the line of direction is io...

The New Pocket Cyclopædia: Or, Elements of Useful Knowledge, Methodically ...

John Millard - 1813 - 645 ページ
...whole weight of a body as centred in this point. If a line is drawn from the centre of gravity of » body, perpendicular to the horizon, it is called the...the centre of gravity would describe, if the body fell freely. The broader tlie base, and the nearer the line of direction is to the middle or centre,...

The Principles of Mechanics ...: To which is Now Added, an Appendix ...

William Emerson - 1825 - 318 ページ
...-iSECTION FIFTH. OF THE CENTRE OF GRAVITY AND ITS PROPERTIES. PROP. XLII. (Fig.3. Pl.Vl.) IF ALINE BE DRAWN FROM THE CENTRE OF GRAVITY OF A BODY PERPENDICULAR TO THE HORIZON; AND THIS PERPENDICULAR FALLS WITHIN THE BASE UPON WHICH THE BODY RESTS, THE BODY WILL STAND; BUT IF...

The Literary and Scientific Class Book: Embracing the Leading Facts and ...

Levi Washburn Leonard - 1827 - 318 ページ
...as centered in this point. If a line is drawn from the centre of gravity of a' body, perpendicularly to the horizon, it is called the line of direction ; because it is the line which the centre of gravity would describe, if the body fell freely. The broader the base is upon which...

A Manual of Natural and Experimental Philosophy: Being the Substance ..., 第 2 巻

Charles Frederick Partington - 1828
...it may be put, and whatever supports the weight at that point, bears the weight of the whole body. If a line be drawn from the centre of gravity of a...to the horizon, it is called the line of direction, and if this fall within the base, the body will remain stable; when, however, it falls without the...

The Literary and Scientific Class Book: Embracing the Leading Facts and ...

Levi Washburn Leonard - 1830 - 320 ページ
...as centered in this point. If a line is drawn from the centre of gravity of a body, perpendicularly to the horizon, it is called the line of direction ; because it is the line which the centre of gravity would describe, if the body fell freely. The broader the base is upon which...

The Mechanic's Register, 第 1〜2 巻

1838
...motion. LIV. If a line be drawn perpendicular to the horizon, from the centre of gravity of a body, it is called the line of direction, because it is...would describe if the body were suffered to fall. LV. While the line of direction falls within the base upon which the body stands, the body cannot fall...

Elements of Natural Philosophy: Embracing the General Principles of ...

Leonard Dunnell Gale - 1838 - 276 ページ
...motion. LVII. If a line be drawn perpendicular to the horizon, from the centre of gravity of a body, it is called the Line of Direction, because it is the line which the centre of gravity would describe if the body were suffered to fall. LVIII. While the line...

Scribner's Engineers' and Mechanics' Companion: Comprising United States ...

J. M. Scribner - 1849 - 264 ページ
...as the weights or bodies A and B ; that is, as AC : BC : : B : A. If a line be drawn from the center of gravity of a body, perpendicular to the horizon,...called the line of direction, because it is the line the center of gravity would describe if the body fell freely. Thus, the adjoining figure represents...




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