In a four bar planar mechanism shown in the figure, AB = 5 cm, AD = 4 – McqOptions

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1.	In a four bar planar mechanism shown in the figure, AB = 5 cm, AD = 4 cm and DC = 2 cm. In the configuration shown, both AB and DC are perpendicular to AD. The bar AB rotates with an angular velocity of 10 rad/s. The magnitude of angular velocity (in rad/s) of bar DC at this instant is ______
A.	0
B.	10
C.	15
D.	25
Answer» E.

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