 A man sitting upon a board suspended from a single moveable pulley pulls downwards at one end of a rope which passes under the moveable pulley and over a pulley fixed to a beam overhead, the other end of the rope being fixed to the same beam. What is...  A Manual of Carpentry and Joinery - Strona 345autor: J. W. Riley - 1905 - Liczba stron: 500Pełny widok - Informacje o książce
 | Sir Philip Magnus - 1875 - Liczba stron: 352
...would be the same as when the weights were raised one by one by the same power.— Ib., Jan. 1873. 20. A man sitting upon a board suspended from a single...which the man must pull in order to raise himself? — Prelim. Scientific MB Exam., 1869. 21. With what force would he require to pull upwards, if the... | |
 | Richard Wormell - 1876 - Liczba stron: 282
...constant horizontal force of 5j pounds ; find the time the weight will take to descend 216 feet 2 inches. 22. A man, sitting upon a board suspended from a single...which the man must pull in order to raise himself ? 23. With what force would he require to pull upwards if the rope, before coming to his hand, passed... | |
 | sir Philip Magnus (1st bart.) - 1876 - Liczba stron: 368
...would be the same as when the weights were raised one by one by the same power.— Ib., Jan. 1873. 20. A man sitting upon a board suspended from a single...which the man must pull in order to raise himself? — Prelim, Scientific MB Exam., 1869. 21. With what force would he require to pull upwards, if the... | |
 | sir Philip Magnus (1st bart.) - 1877 - Liczba stron: 360
...would be the same as when the weights were raised one by one by the same power.—Ib., Jan. 1873. 20. A man sitting upon a board suspended from a single...weight with which the man must pull in order to raise himself?—Prelim. Scientific MB Exam., 1869. 21. With what force would he require to pull upwards,... | |
 | Charles Vandeleur Burton - 1890 - Liczba stron: 330
...suspended from a single movable pulley, pulls downwards at one end of a rope which passes under the movable pulley and over a pulley fixed to a beam overhead,...which the man must pull in order to raise himself? (8) In the previous example, with what force would the man require to pull upwards, if the rope, before... | |
 | Sir Philip Magnus (bart.) - 1896 - Liczba stron: 408
...suspended from a single movable pulley pulls downwards at one end of a rope which passes under the movable pulley and over a pulley fixed to a beam overhead,...which the man must pull in order to raise himself? 15. With what force would he require to pull upwards, if the rope, before coming to his hand, passed... | |
 | Louis Adolphe Martin - 1906 - Liczba stron: 188
...from a single movable pulley, pulls downward at one end of the rope which passes under the movable pulley and over a pulley fixed to a beam overhead,...other end of the rope being fixed to the same beam. If the man weighs 180 pounds, what force must he exert so as to maintain equilibrium? 251. Make sketches... | |
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