Technical Mechanics
Technical Mechanics
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In our eReader you can find the full English version of the book. Read Technical Mechanics Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Technical Mechanics
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To quickly assess the difficulty of the text, read a short excerpt:
Know- (a) H~' Tr (0) 100 lbs.
h£(e).
Fig. 185.
ing the acceleration of each body, the forces can be determined from the equations of motion of either; thus for the stone, P' = 2. I7 X20. 1 =43. 62 lbs.
t^ II . Four bodies are connected by cords as shown in fig. I85(^) and are pulled along on a horizontal plane by a force P of 200 lbs. Supposing the frictional resistance on each body to equal one-fourth its weight, compute the tension in each cord. I 12. In an elevator there are two boxes weighi...ng 610 and 1000 lbs. Respectively, the lighter being on top of the other. What are the pressures on the bottoms of the boxes if (a) the elevator is started up with an acceleration of 4 ft. /sec. /sec? (b) If started down with the same acceleration?
Ans. (a) 18 10 lbs. On the bottom of the lower box.
13. If the elevator of the preceding example weighs 1600 lbs. , compute the tensions in the hoisting cable in the two cases mentioned, -ai ?60f. 6^ i^j X'^'c^ 14. Fig. 186(a) represents two bodies, A and B, suspended from the ends of a cord which passes over a "smooth pulley" 6'.
What to read after Technical Mechanics?
You can find similar books in the "Read Also" column, or choose other free books by Edward R Edward Rose Maurer to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Know- (a) H~' Tr (0) 100 lbs.
h£(e).
Fig. 185.
ing the acceleration of each body, the forces can be determined from the equations of motion of either; thus for the stone, P' = 2. I7 X20. 1 =43. 62 lbs.
t^ II . Four bodies are connected by cords as shown in fig. I85(^) and are pulled along on a horizontal plane by a force P of 200 lbs. Supposing the frictional resistance on each body to equal one-fourth its weight, compute the tension in each cord. I 12. In an elevator there are two boxes weighi...ng 610 and 1000 lbs. Respectively, the lighter being on top of the other. What are the pressures on the bottoms of the boxes if (a) the elevator is started up with an acceleration of 4 ft. /sec. /sec? (b) If started down with the same acceleration?
Ans. (a) 18 10 lbs. On the bottom of the lower box.
13. If the elevator of the preceding example weighs 1600 lbs. , compute the tensions in the hoisting cable in the two cases mentioned, -ai ?60f. 6^ i^j X'^'c^ 14. Fig. 186(a) represents two bodies, A and B, suspended from the ends of a cord which passes over a "smooth pulley" 6'.
What to read after Technical Mechanics?
You can find similar books in the "Read Also" column, or choose other free books by Edward R Edward Rose Maurer to read onlineMoreLess
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