two cranes are lifting an object that weighs 20,240 poundsOne cable is at a 44.5 degrees from the horizontal and the other is 24.3 degrees on the opposite side from the horizontalFind the tension of each cable of the cranes.
It doesn't need a separate MAC address, it needs to have a port forwarded to it from your routerLook up port forwardingThis is your problemTo answer the second question, there is not an easy way to do a webpage with a dynamic addressIn fact the only ways that I know of, you listed in your question.