 | William Emerson - 1769 - 170 sider
...ho20. rizontal lines AB, CD ; then will AB reprefent a lever of the firft kind, and its fupport is rhe center of the pulley, which is a fixed point, the...And the points A, and B, Where the power and weight aft, being equally diftant from the fupport, therefore (Prop. XLV.) the power P — weight W. Alfo... | |
 | William Emerson - 1793 - 386 sider
...39. horizontal lines AB, CD; then will AB reprefent a lever of the firft kind, and its fupport is the center of the pulley, which is a fixed point, the...therefore (Prop. XLV.) the power P = weight W. Alfo CD represents a lever of the fecond kind, whole fupport is at C, a fixed point; the rope CG being fixed... | |
 | Charles Hutton - 1811 - 494 sider
...: then will AB represent a lever of the first kind, its prop being the fixed centre c ; from which the points A and, B, where the power and weight act, being equally distant, the power p is consequently equal to the weight w. 189. Corol. Hence, if the pulley be put... | |
 | Charles Hutton - 1816 - 618 sider
...•• then wilT"AB represent a lever of the first kind, its prop being the fixed centre c ; from which the points A and B, where the power and weight act, being equally distant, the power p is consequently equal to the weight w. 189 Coral. Hence, if the pulley be put... | |
 | Joseph Gwilt - 1842 - 1114 sider
...AB; then will AB represent a lever of the first kind, its prop being the fixed centre C, from which the points A and B, where the power 'and weight act, being equally distant, the power P is consequently equal to the weight W. 1317. Hence, if the pulley be put in motion,... | |
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C (fig. 555.) of the pulley we draw the horizontal diameter AB; then will AB represent a lever of the first kind, its prop being the fixed centre C, from which the points A and B, where the power and weight act, being equally distant, the power P is consequently... 