 | James Ferguson - 1764 - 322 pages
...the fcrew ; and as much additional force, as is fufficient to overcome the fridion, will raife the 152 pounds; and the velocity of the power will be...weight, as 152 to i. Hence it appears, that the longer ihe winch be made, and the nearer the fpirals are to one another, fo much the greater is the force... | |
 | Richard Helsham - Mechanics - 1767 - 458 pages
...will defcribe the arch AD in the fame time that the weight at B defcribes the arch BE ; confequently, the velocity of the power will be to the velocity of the weight, as the arch AD to the arch BE; that is, becaule the arches are fimilar, as is evident from the manner... | |
 | John Imison - 1796 - 476 pages
...the .fcrew; and as much additional force as is fufficient to overcome the friftion, will raife the 152 pounds ; and the velocity of the power will be...one another, fo much the greater is the force of the (crew. .• A machine for fhewingthe force or power of the fcrew „ rig. *9. may be contrived in the... | |
 | Richard Helsham - Mechanics - 1802 - 500 pages
...will delcribe the arch AD in the fame time that the weight at B defcribes the arch BE ; confequently, the velocity of the power will be to the velocity of the weight, as the arch AD to the arch BE ; that is, becaufe the arches are fimilar, as is evident from the manner... | |
 | William Nicholson - Natural history - 1809 - 700 pages
...the screw ; and as much additional force as is sufficient to overcome the friction, will raise the 152 pounds ; and the velocity of the power will be to the velocity of the weight, as 132 to 1. Tlence it appears, ih.it the longer the \rinch is, and the nearer the spirals are to one... | |
 | William Nicholson - 1809 - 734 pages
...the screw ; anil as much additional force as is sufficient to overcome the friction, will raise the 152 pounds ; and the velocity of the power will be to the velocity of the weight, as \bt to 1. Hence it appears, that ilie longer the which is, and the nearer the spiral» are to one another,... | |
 | James Ferguson - Astronomy - 1814 - 420 pages
...screw ; and as much additional force, as is sufficient to overcome the friction, will raise the 153 pounds ; and the velocity of the power will be to the velocity of the weight, as 152 to 1. Hence it appears, that the longer the winch is, and the nearer the spirals are to one another, so... | |
 | James Smith - Industrial arts - 1815 - 684 pages
...additional force be exerted as is sufficient to overcome the friction, the 152 pounds may be raised ; and the velocity of the power will be to the velocity of the weight as 152 to 1. Hence we mny clearly perceive, that the longer the lever, and the nearer the threads to one another,... | |
 | William Nicholson - Natural history - 1821 - 408 pages
...against the screw j and as much additional force as is sufficient to overcome the friction will raise the 152 pounds; and the velocity of the power will be to the velocity of the weight as 152 to 1. Hence it appeal's, that the longer the winch is, and the nearer the spirals are to one another,... | |
 | William Nicholson - Natural history - 1821 - 406 pages
...against the screw ; and as much additional force as is sufficient to overcome the friction will raise the 152 pounds; and the velocity of the power will be to the velocity of the weight as 152 to 1. Hence it appcais, that the longer the winch is, and the nearer the spirals ure to one another, so... | |
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... 152 times as great as the distance between the spirals : and therefore a power at the handle, whose intensity is equal to no more than a .single pound, will balance 152 pounds... 
