 | 1799 - 616 pages
...proposition and three axioms. Axiom i. If two weights balance each other on a straight lever, the pressure on the fulcrum is equal to the sum of the weights, whatever be the length of the lever. Axiom 2. If a weight be supported ou a lever which rests on two fulcrums, the pressure on the fulcrums... | |
 | Ralph Griffiths, George Edward Griffiths - 1799 - 648 pages
...be demonstrated *. Asiom 1. If two weights balance each other on a straight lever, the pressure on the fulcrum is equal to the sum of the weights, whatever be the length of the lever. Sect. 4. On the Mechanical Powers ; and first on the Lever.— Mr. Wood's demonstration of the properties... | |
 | James Mitchell - Mathematics - 1823 - 666 pages
...supposed to act at right angles to the fever when horizontal, and to turn it in opposite directions. \Vhen two weights balance each other upon a straight lever, the pressure upon the fulcrum is said to be equal to the sum of Ihe -weights (including that of the lever.) If there lie more than one... | |
 | Peter Nicholson - Mathematics - 1825 - 1046 pages
...round the fulcrum, and tend to turn it in opposite directions. Ai. 1. If two weights balance eacli other upon a straight lever, the pressure upon the...the sum of the weights, whatever be the length of tlie lever.* Ax. V. If a weight hr supported upon a lever which rests on two fulcrum?, the pressure... | |
 | William Whewell - Mechanics - 1832 - 572 pages
...situated so that PA, QB, are equal, the pressures on A and B are equal. 25. AXIOM II. If two equal weights balance each other upon a straight lever,...the weights, whatever be the length of the lever. The whole weight is supported at the fulcrum of the lever, and hence it appears manifest, that the... | |
 | William Whewell - Dynamics - 1834 - 378 pages
...to form a foundation for the science, and is stated in the following axiom. AXIOM II. If two equal weights balance each other upon a straight lever,...the weights, whatever be the length of the lever. We learn also, in the same manner, that the weight of a body, and the direction in which it tends to... | |
 | Mathematics - 1836 - 488 pages
...conditions of an equilibrium? AXIOMS. 1. If two weights balance each other upon the opposite arms of a straight lever, the pressure upon the fulcrum is...the weights, whatever be the length of the lever. 2. If a weight be supported on a lever which rests on two fulcrums, the pressure upon the fulcrums... | |
 | William Whewell - 1837 - 226 pages
...effected by as many steps as there are forces, wanting one. Coa. If any forces act perpendicularly upon a lever, the pressure upon the fulcrum is equal to the sum of the forces. For the pressure upon the fulcrum arising from each pair is equal to the sum of the two forces... | |
 | William Whewell - Mechanics - 1847 - 208 pages
...to one of them, it will preponderate. III. If two equal weights balance each other upon a horizontal straight lever, the pressure upon the fulcrum is equal...the weights, whatever be the length of the lever. (Int. 18.) If P, Q be two equal weights which A c B balance each other upon the horizontal lever IA... | |
 | William Whewell - History - 1847 - 706 pages
...The axioms which are perhaps least obvious are Axioms 4 and 5 ; for instance, the former ; — that " the pressure upon the fulcrum is equal to the sum of the weights." Yet this becomes evident when we consider it steadily. It will then be seen that we consider pressure... | |
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If two weights balance each other upon a straight Lever, the pressure upon the fulcrum is equal to the sum of the weights, whatever be the length of the Lever. 
