Tensile strength is defined as a stress, which is measured as force per unit area. For some non-homogeneous materials (or for assembled components) it can be reported just as a force or as a force per unit width.
Answer Wiki. The practice of organizing to aggregate individuals' influence for economic reasons probably began with European craft guilds, although the master craftsmen were actually employers and capitalists. Trade unions or labor unions originated in England in the 1700s, but were outlawed until the 1800s.
Who helped found the labor union known as the industrial workers of the world? Making the world better, one answer at a time. What was a goal of the industrial workers of the world in 1905? One goal of the Industrial Workers of the World was to get rid of  the differences between those who owned property and those who did  not.