 | Samuel H. Winter - 1864 - 348 σελίδες
...every system of particles has one centre of gravity, and only one whilst in the same position. 2. If in the system of pulleys in which each string is attached to the weight, these strings are fastened to a bar at a distance of 2 inches from each other, this being the radius... | |
 | John Kerr - 1866 - 358 σελίδες
...n is the number of strings, and m W the weight w + 1 of the platform and lower block together. 20. In the system of pulleys in which each string is attached to the weight, if there be three strings, find the weights of the two lower pulleys from the consideration that, if... | |
 | Richard Wormell - 1871 - 288 σελίδες
...force required to produce motion. 3. Find the relation between the power and the weight in the Third System of Pulleys (in which each string is attached to the weight), when tho weights of the pulleys are disregarded. Also, show what the relation would be if ths weights... | |
 | J W. Mulcaster - 1871 - 242 σελίδες
...P-(2"- l + 2 n -*+ ....+2 + l)w = 2"P-(2 n -l)w. 153. IV. To find the condition of equilibrium in a system of pulleys in which each string is attached to the weight. Upward pressure of D 1 S 1 =P; upward pressure of D 2 jB 2 =2P; upward pressure of Z> s .B s =2 2 P;... | |
 | London univ, exam. papers - 1873 - 60 σελίδες
...lever is in equilibrium. JAN. 1870. 3. Find the relation between the power and the weight in the third system of pulleys (in which each string is attached to the weight), when the weights of the pulleys are disregarded. Also show what the relation would be if the weights... | |
 | Sir Philip Magnus - 1875 - 352 σελίδες
...supported by the pulleys alone, when there are five moveable pulleys. — Ib., 187223. In the third system of pulleys, in which each string is attached to the weight, show that the power multiplied by its descent equals the weight multiplied by its ascent, neglecting... | |
 | sir Philip Magnus (1st bart.) - 1876 - 368 σελίδες
...strings are attached ? — Ib., 1869. 17. Find the relation between the power and the weight in the third system of pulleys (in which each string is attached to the weight), when the weights of the pulleys are disregarded. Also show what the relation would be if the weights... | |
 | 1877 - 678 σελίδες
...position therein mentioned, prove that P,=2P1. 6. Find the relation of the power to the weight in a system of pulleys in which each string is attached to the weight. If the weight be hung from a horizontal bar to which the parallel strings are attached at equal intervals,... | |
 | sir Philip Magnus (1st bart.) - 1877 - 360 σελίδες
...and four tooveable pulleys, in 17- Find the relation between the power and the weight in the third system of pulleys (in which each string is attached to the weight), when the weights of the pulleys are disregarded. Also show what the relation would be if the weights... | |
 | James Andrew Blaikie - 1878 - 184 σελίδες
...how a moment may be represented geometrically. 5. Find the ratio of the power to the weight in that system of pulleys in which each string is attached to the weight. 6. (1) Define the term centre of gravity; and find that of a uniform straight rod. 131 (2) A pencil... | |
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Find the relation between the power and the weight in that system of pulleys in which each string is attached to the weight, the strings being parallel and the weights of the pulleys being neglected. 
