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A. O. C. B. 8- 5 solution:. Sifter CB makes plane motion. E. Consider rod AB , it makes plane motion, take point A as the pole. m: d:. ? √. √ √. ? √. D. A. B. note the direction of. O 1. O 2. P. 8- 6 solution:. Consider the triangular board ADB.
E N D
A O C B 8- 5 solution: Sifter CB makes plane motion E Consider rod AB, it makes plane motion, take point A as the pole m: d: ? √ √ √ ? √
D A B note the direction of O1 O2 P 8- 6 solution: Consider the triangular board ADB . Point P is the ICV of ADB .
A C B O note the direction of D E F 8- 8 solution: Consider rod AB note the direction of rod AB has instantaneous translation. Consider rod BC D is the ICV of rod BC Consider EF, take point E as the pole
A C B O D note the direction of 1.2m E B C note the direction of O A D 1.2m Rod DE makes instantaneous translation ICV of rod AB E 8- 9 solution: rod DE makes translation take rod CD to study,
A C B O D note the direction of 1.2m E B Rod AB makes instantaneous translation O C note the direction of 1.2m A D ICV of rod DE E consider rod CD Similarly:
C r O1 O R 8- 14 solution: take gear wheel Ⅰ to study ,it makes plane motion Ⅰ Ⅱ Point C is the ICV of gear wheel Ⅰ take point O1 as the pole point to O1
B B O O O1 O1 A A 8- 18 solution: consider rod AB it makes plane motion take point A as the pole Project both members of the equation on x axis
B O O1 A
C ( ) A B O A x B O 8-19 solution: Consider rod AB it makes plane motion, take point A as the pole 习 题(运动学) m: d: √ √ ? √ ? √
C y A () B C O A B Consider rod BC , it makes plane motion, take point B as the pole 习 题(运动学)