Problem statements
Solution video – H11.A
Solution video – H11.B
Reminder: Please submit HW11.A. 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.
Hey y’all I am struggling to understand this problem is point B a simple thrust bearing ?
I have a general question for 3D moment problems such as this one. When calculating the cross product to get the moment for a force, do we use the position vector or the perpendicular moment arm?
For instance, when calculating the moment caused by the force at B, should I use OB (9di -3dj) or just the vertical distance to the line of action (-3dj)?