A)
Taking moment about left end,
Ta = [m1 (L/2) + m2 x] (g/d)
Ta = [100 x (5.8/2) + 2500 x 5.6](9.8/1.4)
Ta = 1 x 10^5 N
B)
Tb = Ta - m1g - m2g
Tb = 100030 - (100 x 9.8) - (2500 x 9.8)
Tb = 7.46 x 10^4 N
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