| Francis Joseph Grund - Physics - 1836 - 294 pages
...are several powers, p,F (Fig. 53), and weights, w, W, operating Fig. 53. upon the lever, then they **will be in equilibrium when the sum of the moments of the weights** .„ is equal to the sum of the mo1 '"in ments of the powers. If some '; P of those powers or weights... | |
| Physics - 1878 - 317 pages
...rf e / arms of a lever, m ii I 2H it the same or in THE LEVER. Under such circumstances, the lever **will be in equilibrium, when the sum of the moments of the** forces tending to turn the lever in one direction is equal to the sum of the moments of the forces... | |
| ...weights upon them of such an amount that equilibrium is secured. In every such case it will be found that **the sum of the moments of the weights on one side of** C is equal to the sum of the moments of those on the other side. When the forces are not parallel.... | |
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