Unsure how the book came to this Bridge Crane Force answer (I got no viable answer)

[TheePhysicsStudent]

Homework Statement

I was doing statics question from an online textbook, which were all going well till I came to this question where I am unsure what to do

Relevant Equations

M = Fd

The Q

My "working"
The answer is simply 2820 N

 

[pasmith]

Your diagram is incorrect. We are looking at forces on the beam. These are its own weight and the weight from the load, both of which are downwards. The reaction forces from the pillars at each end are however upwards.

 

[TheePhysicsStudent]

Ahhh I am grateful as I see the easily avoidable error I made by simply not using my brain properly and reading the question, thank you!

Your diagram is incorrect. We are looking at forces on the beam. These are its own weight and the weight from the load, both of which are downwards. The reaction forces from the pillars at each end are however upwards.