Question: A link (AB) in a four-bar chain rotates at 45 rad/s in clockwise direction. The length of various links is AB = 4 cm, BC

A link (AB) in a four-bar chain rotates at 45 rad/s in clockwise direction. The length of various links is AB = 4 cm, BC = 10 cm, CD = 12 cm, and AD = 7 cm. Find the velocity of joint B and C and the angular velocity of link BC when the link AB is at 2100 with respect to fixed link AD.

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