question_answer

Three blocks are placed as shown in figure below. The mass of A, B and C are \[{{m}_{1}},{{m}_{2}}\,\,and\,\,{{m}_{3}}\], respectively. The force exerted by block C on B is

A) \[{{m}_{1}}g\]

B)        \[({{m}_{1}}+{{m}_{2}})g\]

C) \[{{m}_{2}}g\]             

D)        \[({{m}_{1}}+{{m}_{2}}+{{m}_{3}})g\]