A 5-m-long beam is subjected to a variety of loadings.

(a) Replace each loading with an equivalent force-couple system at end B of the beam.

(b) Which of the loadings are equivalent?

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60) N -5 m 400 N 1200 N 1.6 LN m 2 KN-m 2KN-m 200 N ib) 120 N M0 N 1.6IN- L6IN- 4.2N-m 00 N S00 N 400 N 100 N SHIN- m 0.3kN- 3.S AN- (e) 120I N 50 N 75) N 0.3 kN-m 300 N h)