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In the three-bar linkage shown in the figure, the control link CD has a constant

ID: 1857233 • Letter: I

Question

In the three-bar linkage shown in the figure, the control link CD has a constant clockwise angular velocity of 120 rev/min (remember to convert to rad/s). Determine (a) the velocity of point C by the Vector of Method: the angular velocity of link BC and the velocity of point V by the Instantaneous Center of Zero Velocity method. the angular velocity of link AB by the Scalar Method: the acceleration of point C by the Scalar Method the angular acceleration of links BC and AB by the Vector Method. Express all answers in polar form.

Explanation / Answer

http://books.google.co.in/books?id=hpmA4Ch2bfwC&pg=PA15&lpg=PA15&dq=velocity+in+four+bar+mechanism&source=bl&ots=OvmoMZnH8P&sig=_LUawTepmIR6X5qRTp-1bf17jjg&hl=en&sa=X&ei=5BNXUcnuPM3irAeS0YHgDA&ved=0CFwQ6AEwBg