Draw Shear and Moment Diagrams of a Frame

[@zhigangxu2007]

Thanks for your videos! I enjoy them! I am not in this field but recently become interested in structural analyses. When you say support A is fixed, and support D is pinned. What’s the difference between “fixed” and “pinned”. Excuse me if my question sound too dummy.

[@GenknownTutorial]

Thank you,,

[@aybarmarlonostosflores3541]

4-43. Draw the shear and moment diagrams for eachmember of the frame.Assume the frame is pin connected atA, and C is a roller