Books Books
A LEVER is any inflexible rod, bar, or beam, which, serves to raise weights, while it is supported at a point by a fulcrum or prop, which is the centre of motion. The lever is supposed to be void of gravity or weight, to render the demonstrations easier...
A Course of Mathematics in Two Volumes for the Use of Academies as Well as ... - Page 145
by Charles Hutton - 1807

## A Course of Mathematics: In Three Volumes : Composed for the Use of the ...

Charles Hutton - Mathematics - 1811
...body being freely suspended, it will rest in any position. OP THE LEVER. 162. A LEVER is any mflexible rod, bar, or beam, which serves to raise weights,...are three kinds of levers. 163. A Lever of the First kind has the prop c between the weight w and the power P. And of this kind are balances, scales, crows,...

## A Course of Mathematics ...: Composed for the Use of the Royal Military ...

Charles Hutton - Mathematics - 1811
...certain point, on which a body being freely suspended, it will rest in any position. OF THE LEVER. 162. A LEVER is any inflexible rod, bar, or beam, which...fulcrum or prop, which is the centre of motion. The levef is supposed to be void of gravity or weight, to render tht demonstrations easier and simpler....

## Scientific Dialogues, Volume 3

Jeremiah Joyce - Hydrostatics - 1815 - 684 pages
...is generally called the first mechanical power. The Lever, is any inflexible bar of wood, iron, &c. which serves to raise weights, while it is supported at a point by a prop or fulcrum, on which, as the centre of motion, all the other parts turn. AB (Plate in. Fig. 17.)...

## Scientific Dialogues: Intended for the Instruction and ..., Volumes 1-2

Jeremiah Joyce - Science - 1815 - 268 pages
...is generally called the first mechanical power. The lever is an inflexible bar of wood, iron, &c., which serves to raise weights, while it is supported at a point by a prop or fulcrum, on which, as the centre of motion, all the other parts turn. AB (Plate Iir, Fig. 17)...

## A Course of Mathematics for the Use of Academies, as Well as Private Tuition

Charles Hutton - Mathematics - 1822 - 680 pages
...point, on which a bocljr being freely suspended, it will rest in any position. "'Vl J OF THE LEVER. 162. A LEVER is any inflexible rod, bar, or beam^ which...demonstrations easier and simpler. There are three kinds ^ levers* 165. A Lever of the Third kind has the power between the weight and the prop. Such as tongs,...

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

Levi Washburn Leonard - New Hampshire - 1827 - 398 pages
...and the momentum of each is equal. The lever is any inflexible bar of iron, wood, or other material, which serves to raise weights, while it is supported at a point by a prop or fulcrum, on which, as the centre of motion, all the other parts turn. There are three different...

## A Dictionary of the Military Science: Containing an Explanation of the ...

E. S. Norman Campbell - English language - 1830 - 304 pages
...the apparent level, except the point of contact, is higher than the true level. LEVER. In Mechanics, is any inflexible rod, bar, or beam which serves to raise weights, while it is supported at a point called the fulcrum or prop, which is the centre of motion. There are four kinds of levers. The first,...

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

Levi Washburn Leonard - Science - 1830 - 352 pages
...and the momentum of each is equal. The lever is any inflexible bar of iron, wood, or other material, which serves to raise weights, while it is supported at a point by a prop or fulcrum, on which, as the centre of motion, all the other parts turn. There are three different...