Thank you for all the responses and suggestions. I've made a lot of conservative assumptions and did some calculations to try and come up with a reasonable estimate but it seems kind of high and unrealistic.
Prex, can you tell me what all the variables are in the equation you presented?
I am designing a winch guard to protect the operator in case the winch cable snaps. The structure is going to be built with angle iron and the open faces are to be covered with expanded metal. My question is, how do I calculate the impact force that the expanded metal will experience if the...