question_answer

A block of mass 9 kg, lying on a frictionless table is connected to a block of mass 1 kg by means of a string which passes over a frictionless pulley as shown. The tension in the string is \[\left( \text{g}=\text{1}0\text{ m}/{{\text{s}}^{\text{2}}} \right)\]

A)  1N

B)  4N            

C)  7N

D)  9N           

E) None of these