 | Henry Kater, Dionysius Lardner - 1830 - 602 páginas
...kind. The hinge which attaches it to the floor is the fulcrum, the foot applied to it near the hinge is the power, and the crank upon the axis of the fly-wheel,...fulcrum or point where the two levers are connected. (239.) When the power is said to support the weight by means of a lever or any other machine, it is... | |
 | 1831 - 358 páginas
...kind. The hinge which attaches it to the floor is the fulcrum, the foot applied to it near the hinge is the power, and the crank upon the axis of the fly-wheel,...fulcrum, or point where the two levers are connected. (239.) When the power is said to support the weight by means of a lever, or any other machine, it is... | |
 | Dionysius Lardner - 1846 - 580 páginas
...kind. The hinge which attaches it to the floor is the fulcrum, the foot applied to it near the hinge is the power, and the crank upon the axis of the fly-wheel,...fulcrum, or point where the two levers are connected. When the power is said to support the weight by means of a lever, or any other machine, it is only... | |
 | Dionysius Lardner - 1846 - 614 páginas
...kind. The hinge which attaches it to the floor is the fulcrum, the foot applied to it near the hinge is the power, and the crank upon the axis of the fly-wheel,...this kind, as also the shears used in shearing sheep. ID these cases, the power is the hand placed immediately below the fulcrum, or point where the two... | |
 | New York State Agricultural Society - 1851 - 820 páginas
...hoe, as the weight. A hand-rake is similar, as well as a fork used for pitching hay. Tongs are double levers of this kind, as also the shears used in shearing sheep. The limbs of animals, generally, are levers of the third kind. The joint of the bone is the fulcrum... | |
 | New York (State). Legislature. Assembly - 1851 - 1228 páginas
...hoe, as the weight. A hand-rake is similar, as well as a fork used for pitching hay. Tongs are double levers of this kind, as also the shears used in shearing sheep. The limbs of animals, generally, are levers of the third kind. The joint of the bone is the fulcrum... | |
 | Dionysius Lardner - 1858 - 438 páginas
...kind. The hinge which attaches it to the floor is the fulcrum ; the foot applied to it near the hinge is the power ; and the crank upon the axis of the...fulcrum or point where the two levers are connected. the fulcrum equal to their sum ; consequently, the pressure on such point will be equal to the sum... | |
 | Home tutor - 1862 - 532 páginas
...rests on the ground is the fulcrum, the foot of the man which presses on the board, near the fulcrum, is the power, and the crank upon the axis of the fly-wheel, which is attached to the other end, is the weight. The most interesting examples of the application... | |
 | Dionysius Lardner - 1866 - 428 páginas
...kind. The hinge which attaches it to the floor is the fulcrum ; the foot applied to it near the hinge is the power ; and the crank upon the axis of the...fulcrum or point where the two levers are connected. 422. The pressure on the fulcrum of a lever, when the power and weight are in equilibrium, is determined... | |
 | Thomas Dick - 1869 - 664 páginas
...kind. The hinge which attaches it to the floor is the fulcrum, the foot applied to it near the hinge is the power, and the crank upon the axis of the fly-wheel...connected is the weight. Tongs are levers of this kind, and so are the shears used in shearing sheep. In both these cases, the power is the hand placed immediately... | |
| |
The treddle of the turning lathe is a lever of the third kind. The hinge which attaches it to the floor is the fulcrum, the foot applied to it near the hinge is the power, and the crank upon the axis of the fly-wheel, with which its extremity is connected,... 
