Machines And Mechanisms I Am Getting Stuck When I Attempt To Find Vc And Vb In T

Machines and Mechanisms, I am getting stuck when I attempt to find VC and VB in the following problem, this problem is a little different from the 4-bar linkage previously posted…I am working on a similar problem but I need to understand this first. The problem is:For the straight-line mechanism illustrated ω2 = 20 rads/sec CW and α2 = 140 rads/sec^2 CW. Determine the velocity and acceleration of point B and the angular acceleration of link 3.

 

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