DISCUSSION
Hints:
- Take advantage of the fact that DH is a two-force member when drawing you individual FBDs of the members.
- Be sure to take into account that B and H are two-sided pin connections.
- Review the material in Chapter 3 of the lecture book regarding the calculation of normal and shear components of stress for uni-axially loaded members when working Part 5.
NOTE: Use “A” to represent the cross-sectional area of member HD. That was left off from the problem statement.
Ask/answer questions in the discussion thread below.
When calculating shear stress in HD (part 5), how can I find the cross-sectional area of member HD? I see information about the geometry of the pins but nothing on the cross-section of member HD. Am I misunderstanding something?
I had the same question. I can only assume to leave it as A for now.