 | James Ferguson - 1764 - 322 pages
...bones of a man's arm : for when we lift a weight by the hand, the mufcle that exerts its force to raife that weight, is fixed to the bone about one tenth...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... | |
 | John Imison - 1796 - 476 pages
...bones o^ a man's arm; for when he lifts a weight by the hand, the mufcle that exerts its force to raife that weight, is fixed to the bone about one tenth...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... | |
 | Sir Richard Phillips - Electricity - 1807 - 212 pages
...13. as an initance, I), the elbow, is the centre of motion, the power is the muscle inserted at C, about one tenth part as far below the elbow as the' hand is, and A is the weight to be raised ; the muscle must accordingly exert a power equal to one hundred pounds,... | |
 | William Nicholson - 1809 - 734 pages
...weight by the hand, the muscle that exerts its force to raise that weight, is fixed to the bone «bout one tenth part as far below the elbow as the hand is. Aud the elbow being\ the centre round which the lower part of the arm turns, the muscle must therefore... | |
 | Sir Richard Phillips - Celestial mechanics - 1811 - 196 pages
...fig-. 12, as an instance, D, the elbow is the centre of motion, the power is the muscle inserted at C, about one tenth part as far below the elbow as the hand is, and A is the weight to be raised ; the muscle must accordingly exert a power equal to one hundred pounds,... | |
 | James Ferguson - Astronomy - 1814 - 420 pages
...the hand, the muscle that exerts its force to raise the 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 part of the arm turns, the muscle must therefore exert a force ten times... | |
 | William Shepherd, Jeremiah Joyce, Lant Carpenter - Education - 1815 - 598 pages
...when he lifts a weight by the hand, the muscle that exerts its force to raise that weight, is Axed 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 part of the arm turns, the muscle must therefore exert a force ten times... | |
 | James Smith - Industrial arts - 1815 - 684 pages
...band, 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 part of the arm turne, the muscle must therefore exert a force ten times... | |
 | William Nicholson - Natural history - 1821 - 406 pages
...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...the elbow as the hand is. And the elbow being the centre round which the lower part of the arm turns, the muscle must therefore exert a force ten times... | |
 | William Nicholson - Natural history - 1821 - 408 pages
...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...the elbow as the hand is. And the elbow being the centre round which the lower part of the arm turns, the muscle must therefore exert a force ten times... | |
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To this sort of lever are generally referred the 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... 
