Problem statements
Solution video – H28.A
Solution video – H28.B
Reminder: Please submit HW28.B. No credit will be given for submitting the wrong homework assignment.
DISCUSSION THREAD
Please post questions here on the homework, and take time to answer questions posted by others. You can learn both ways.
For question A do we assume weight of the beam is negligible, which is confusing because question B is all the weight mattering?
You are right. You can consider the weight of the beam in question B as a constant distributed load from A to B that points downward.