Convention
Although these conventions are relative and any convention can be used if stated explicitly, practicing engineers have adopted a standard convention used in design practices.
Read more about this topic: Shear And Moment Diagram
Famous quotes containing the word convention:
“By convention there is color, by convention sweetness, by
convention bitterness, but in reality there are atoms and space.”
—Democritus (c. 460–400 B.C.)
“The metaphor of the king as the shepherd of his people goes back to ancient Egypt. Perhaps the use of this particular convention is due to the fact that, being stupid, affectionate, gregarious, and easily stampeded, the societies formed by sheep are most like human ones.”
—Northrop Frye (b. 1912)
“Mankind owes to the child the best it has to give.”
—United Nations Convention on the Rights of the Child, 1989.