 ... and a man in the basket support himself and the basket, by pulling at the free end of the string, find the tension he exerts, neglecting the inclination of the string to the vertical, and assuming the weight of the man and basket to be W. 6. A man,...  A treatise on elementary statics - Σελίδα 84των James Hamblin Smith - 1868 - 86 σελίδεςΠλήρης προβολή - Σχετικά με αυτό το βιβλίο
 | 1844 - 688 σελίδες
...forces in direction and magnitude, the diagonal will represent the resultant force in direction. 4. In a system of pulleys, in which the same string passes round all the pulleys, find the condition of equilibrium. 5. -Assuming that the arcs which subtend equal angles at the centres... | |
 | Bengal council of educ - 1848 - 394 σελίδες
...the four forces are in equilibrium. 3. A triangular plane ABC is kept in equilibrium by three systems of pulleys (in which the same string passes round all the pulleys) each having one block fastened to a fixed external point and another attached to an angular point of... | |
 | 1851 - 626 σελίδες
...the four forces are in equilibrium. 3. A triangular plane ABC is kept in equilibrium by three systems of pulleys (in which the same string passes round all the pulleys) each having one block fastened to a fixed external point and another attached to an angular point of... | |
 | Thomas Lund - 1864 - 188 σελίδες
...be necessary, in this case, that the power be applied in a direction parallel to PA and RBI (5) In a system of pulleys in which the same string passes round all the pulleys (see PROP. XII.), the ' Mechanical Advantage' is expressed by the number 10; how many moveable pulleys... | |
 | Thomas Lund - 1864 - 204 σελίδες
...be necessary, in this case, that the power be applied in a direction parallel to PA and RBI (5) In a system of pulleys in which the same string passes round all the pulleys (see PROP. XII.), the ' Mechanical Advantage' is expressed by the number 10; how many moveable pulleys... | |
 | Richard Wormell - 1869 - 270 σελίδες
...right angles, aud produce a resultant of 2 Ibs. ; find the forces. — Ans. 1-2 and 1-6 Ibs. 6. In a system of pulleys in which the same string passes round all the pulleys, and the parts of it between the pulleys are parallel, show that there is equilibrium when the power... | |
 | James Hamblin Smith - 1871 - 148 σελίδες
...at the lower block, and this block weigh 8 Ibs., find tho power which will support 1 cwt. 17. In the system of pulleys, in which the same string passes round all the pulleys, if P= 2 Ibs., the lower block weigh 8 Ibs., and contain 3 pulleys, and the string be fastened to the... | |
 | J W. Mulcaster - 1871 - 242 σελίδες
...proportion of his weight sustained by each arm when he exerts the same stress on both. 4. In the second system of pulleys, in which the same string passes round all the pulleys, if there be ten strings to the block, what power will support a weight of 1000 Ibs. ? 5. In the second... | |
 | 1883 - 536 σελίδες
...against each other. Find the tension of the strings. 4. Find the ratio of the power to the weight in a system of pulleys, in which the same string passes round all the pulleys. 5. If there be simultaneously impressed on a particle two velocities which would separately be represented... | |
 | Mary W I. Shilleto - 1882 - 418 σελίδες
...it. Explain the " kick " of a gun. . 11. Find the relation between the power and the weight in that system of pulleys in which the same string passes round all the pulleys. Find what weight a power of 1 cwt. would support by means of two movable and two fixed pulleys of the... | |
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