Q: The situation shown in the figure mA = mB = mC = 1 kg and mD = 2 kg. All surfaces are smooth. Strings are light and pulleys are smooth. Choose the correct options.
(a) The initial acceleration of block A is zero
(b) The initial acceleration of block B is 5m/s2
(c) The tension in the string connecting block B and C is 5 N
(d) The tension in the string connecting block C and D is 10 N
Ans: (a) ,(b) ,(c) ,(d)