 | James Ferguson - 1764 - 322 pages
...And the elbow being the center round which the lower part of the arm turns, the mufcle muft therefore exert a force ten times as great as the weight that is railed. As this kind of lever is a difadvantage to the moving power, k is never ufed but in cafes of... | |
 | James Ferguson - Astronomy - 1776 - 546 pages
...And the elbow being the center round which the lower part of the arm turns, the mufcle muft therefore exert a force ten times as great as the weight that is raifed. As this kind of lever is a difadvantage to the moving power, it is never ufed but in cafes... | |
 | John Imison - 1796 - 476 pages
...And the elbow being the center round which the lower part of the arm turns, the mufcle muft therefofe exert a force ten times as great as the weight that is raifed. As this kind of lever is a difadvantage to the moving power, it is ufed as little as poffible;... | |
 | John Millard - Handbooks, vade-mecums, etc - 1813 - 704 pages
...The elbow being the centre louud which the lower part of the arm turns, the muscle n.ust therefore exert a force ten times as great as the weight that is raised. The hiunmcr-lever differs in nothing hut its form, from a level of the first kind. Its name is derived... | |
 | Encyclopaedias, John Millard - Children's encyclopedias and dictionaries - 1813 - 712 pages
...The elbow being- the centre round which the lower part of the arm turns, the juusdr n.usl therefore exert a force ten times as great as the weight that is raised. The hammer-lever differs in nothing but its form, from a level of the first kind. Its name it derived... | |
 | William Shepherd, Jeremiah Joyce, Lant Carpenter - Education - 1815 - 598 pages
...and the elbow being the centre round which the lower part of the arm turns, the muscle must therefore exert a force ten times as great as the weight that is raised. This lever is never used where power is required to be gained ; for in it the intensity of the power... | |
 | James Smith - Industrial arts - 1815 - 684 pages
...and the elbow being the centre round which the lower part of the arm turne, the muscle must therefore exert a force ten times as great as the weight that is raised. The principle of vitality has an influence upon the strength of the muscles for which we are wholly... | |
 | William Nicholson - Natural history - 1821 - 408 pages
...And the elbow being the centre round which the lower part of the arm turns, the muscle must therefore exert a force ten times as great as the weight that is raised. As this kind of lever is a disadvantage to the moving power, it is used as little as possible •,... | |
 | William Nicholson - Natural history - 1821 - 406 pages
...And the elbow being the centre round which the lower part of the arm turns, the muscle must therefore exert a force ten times as great as the weight that is raised. As this kind. of lever is a disadvantage to the moving power, it is used as little as possible ; but... | |
 | James Ferguson - Astronomy - 1839 - 554 pages
...And the elbow being the center round which the lower part of the arm turns, the muscle must therefore exert a force ten times as great as the weight that is raised." As this kind of lever is a disadvantage to the moving Note 33. The actual loss of power is greater... | |
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... bones of a man's arm ; for when he lifts a weight by the hand, the muscle that exerts its force to raise that weight is fixed to the bone about one tenth part as far below the elbow as the hand is. And the elbow being the centre round which the lower... 