using equilibrium of force in vertical direction
T1 + T2 = mg
T1 + T2 = 200 x 9.8 = 1960 N
T1 + T2 = 1960 eq-1
using equilibrium of torque about B
T1 (AB) = T2 (BC)
T1 (r) = T2 (r/2)
T2 = 2 T1 eq-2
using eq-1 and eq-2
T1 + 2 T1 = 1960
T1 = 653.33 N
using eq-2
T2 = 2 T1 = 2 x 653.33 = 1306.67 N
#4 please A uniform sheet of metal in the shape of a hemisphere of radius 1...
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