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1. |
A four-bar mechanism is as shown in the figure below. At the instant shown, AB is shorter than CD by 30 cm. AB is rotating at 5 rad/sec and CD is rotating at 2 rad/sec.The length of AB is |
A. | 10 cm |
B. | 20 cm |
C. | 30 cm |
D. | 40 cm |
Answer» C. 30 cm | |