End A of the 10-lb rod AB is moved to the left at a constant speed vA= 60 in./s. Using com...

End A of the 10-lb rod AB is moved to the left at a constant speed vA= 60 in./s. Using computational software calculate and plot the normal reactions at ends A and B of the rod tor values of θ from 0 to 40°. Determine the value of θ at which end B of the rod loses contact with the Wall.