What are the components of force on a swinging bar at a specific instant?

[renn12]

Homework Statement

End of the uniform M-kg bar is pinned freely to the collar, which
has an acceleration a along the fixed horizontal shaft. If the bar has a
clockwise angular velocity w as it swings past the vertical, determine the
components of the force on the bar at A for this instant.
(please check Attached file)

Homework Equations

The Attempt at a Solution

 

[HallsofIvy]

Do you understand what "attempt at a soution" means?