1. The problem statement, all variables and given/known data http://www.mathalino.com/reviewer/m...ution-to-problem-624-moment-diagrams-by-parts First , 1st solution, the author taking moment about 2m from A? secondly, the 800Nm is clockwise moment, so it is positive? why the 2400Nm on the right(anticlockwise moment) is also positive? 2. Relevant equations 3. The attempt at a solution i think the 2400Nm anticlockwise moment should be negative, which is located under the x-axis of graph , am i right?