Conceptual Dynamics - Independent Learning

Instantaneous Center of Zero and Known Velocities - Example Problem 4.4-6


The rectangular plate is confined by rollers within slots at A and B.  When θ = 20o, point B is moving at vB = 10 m/s.  Determine the velocity of points C and D at this instant.  The dimensions of the plate are a = 100 mm and b = 50 mm.




  • θ = 20o
  • vB = 10 m/s
  • a = 0.1 m
  • b = 0.05 m


Find: vC, vD


Draw the velocity direction for point A and then locate the IC for the plate. Click on the image when done.