Solution: A chain is made up of links, each of which has a mass of 15 g. If the chain is 100 links long, and supports a mass of 15 kg at the bottom, what is the tension in the middle of the chain?

Problem

A chain is made up of links, each of which has a mass of 15 g. If the chain is 100 links long, and supports a mass of 15 kg at the bottom, what is the tension in the middle of the chain?