R2-9. The link OA is pinned at O and rotates because of
Chapter 21, Problem R2-9(choose chapter or problem)
R2-9. The link OA is pinned at O and rotates because of the sliding action of rod R along the horizontal groove. If R starts from rest when 0 = 0 and has a constant acceleration an = 60 mm/s to the right, determine the angular velocity and angular acceleration of OA when / = 2 s.
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