A 4-m-long beam is subjected to the loading shown. Replace the loading with an equivalent force-couple system at the left end of the beam. What is the sense and magnitude
of the equivalent moment? Express your answer in N-m with a negative sign for a clockwise moment and positive sign for a counterclockwise moment.
300 N
2400 N-m
900 (with margin: 0)
300 N
300 N-m