Two masses $m_ = 5\; kg$ and $m_2 = 10 kg$ connected by an inextensible string over a frictionless pulley are moving as shown in the figure . The coefficient of friction of horizontal surface is 0.15. The minimum weight m that should be put on top of $m_2$ to stop the motion is : <br>

Question

( A ) 43.3 kg
( B ) 23.3 kg
( C ) 10.3 kg
( D ) 18.3 kg