A four-bar mechanism is as shown in the figure below. At the instant s – McqOptions

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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

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