 | Thomas Leybourn - 1830 - 630 pàgines
...sphere of mercury of the same magnitude.. 8. A beam 30 feet long, balances itself upon a point at jrd of its length from the thicker end. But when a weight of lolbs. is suspended at the other end, the prop must be moved two feet towards it to maintain the equilibrium.... | |
 | 1836 - 366 pàgines
...proportion of the friction to the pressure. 2. A beam 30 feet long, balances itself upon a point at |rd of its length from the thicker end. But when . a weight of 10 Ibs. is suspended at the other end, the prop must be moved two feet towards it to maintain the equilibrium. What is the... | |
 | Richard Potter - 1846 - 190 pàgines
...diminished. EXAMPLES ON CHAPTERS VI. VII. AND VIII. . 1 . A lever 30 feet long balances itself upon a prop of its length from the thicker end; but when a weight of 10 pounds is suspended at the other end, the prop must be moved 2 feet towards it, to maintain the equilibrium;... | |
 | Harvey Goodwin (bp. of Carlisle.) - 1847 - 136 pàgines
...of 110 Ibs. at the other. Find the weight of the beam. 17. A beam 30 feet long balances itself upon a point at one-third of its length from the thicker end. But when a weight of 10 Ibs. is suspended at the other end, the prop must be moved two feet towards it to maintain equilibrium. What is the weight... | |
 | Harvey Goodwin (Bishop of Carlisle.) - 1851 - 414 pàgines
...given force; required the position of this latter fulcrum. V. A beam, 30 feet long, balances about a point at one-third of its length from the thicker end ; but when a weight of lOlbs. is suspended from the smaller end, the fulcrum must be moved 2 feet towards it in order to maintain... | |
 | Harvey Goodwin - 1851 - 196 pàgines
...about a fulcrum at a distance of b inches from the other end. 14. A beam, 30 feet long, balances about a point at onethird of its length from the thicker end ; but when a weigh! of 10 Ibs. is suspended from the smaller end, the fulcrum must be moved 2 feet towards it in... | |
 | Bombay (India : State). Board of Education - 1851 - 768 pàgines
...relation of the forces to each other. 12. A beam 30 feet long balances upon a prop 10 feet from one end ; but when a weight of 10 Ibs. is suspended from the thin end the prop has to be moved 2 feet to preserve the equilibrium ; required the weight of the beam.... | |
 | Augustus William Smith - 1855 - 368 pàgines
...„ . 208. EXAMPLES ON CHAPTERS VI., VII., AND VIII. Ex. 1. A beam 30 feet long balances on a prop ^ of its length from the thicker end ; but when a weight of 10 Ibs. is suspended from the other end, the prop must be moved 2 feet toward it to maintain the equilibrium. Required the weight... | |
 | Augustus William Smith - 1855 - 340 pàgines
...— . 208. EXAMPLES ON CHAPTERS vI., VII., AND vIII. Ex. 1. A beam 30 feet long balances on a prop -| of its length from the thicker end ; but when a weight of 10 Ibs. is suspended from the other end, the prop must be moved 2 feet toward it to maintain the equilibrium. Required the weight... | |
 | Joseph Allen Galbraith - 1860 - 174 pàgines
...point will it balance ? Ans. The centre of the bar is 5 in. distant from the fulcrum. 20. A beam 30 ft. long balances itself on a point at one-third of its...length from the thicker end; but when a weight of u:> Ibs. is suspended from the smaller end, the prop must be moved two feet towards it, in order to... | |
| |
A beam, 30 feet long, balances itself on a point at one-third of its length from the thicker end ; but when a weight of 10 Ibs. is suspended from the smaller end, the prop must be moved 2 feet towards it, in order to maintain the equilibrium. 
