Q. For given figure m A is 30 kg m B = m C = 5 kg respectively. All contact surfaces are smooth. 
(g = 10m/ s 2 ). Select the correct statements. 

(A) Acceleration of block A, B and C are 1 m/ s 2 , 3 m/ s 2 and 5 m/ s 2  respectively 
(B) Contact force between B & Ground is 350 N 
(C) Tension in string 30N 
(D) Contact force between 'B' and 'C' is 15 N 

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