Two blocks A and B of masses 6 kg and 3 kg rest on a frictionless horizontal surface as shown in the figure. If coefficient of friction between A and B is 0.4, the maximum horizontal force which can make them move without separation is (A) 18 N B 3kg (B) 40N AL 6kg (C) 36 N (D) 20N

Two block A and B of masses 6 kg and 3 kg rest on a smooth horizontal surface as shown in figure If coefficient of friction between A and Bb is 0.4 the maximum horizontal force which can make them move without separation is

Two block A and B of masses 6 kg and 3 kg rest on a smooth horizontal surface as shown in figure If coefficient of friction between A and Bb is 0.4 the maximum horizontal force which can make them move without separation is

Two block A and B of masses 6 kg and 3 kg rest on a smooth horizontal surface as shown in figure If coefficient of friction between A and Bb is 0.4 the maximum horizontal force which can make them move without separation is

Two block A and B of masses 5 kg. and 3 kg. respectively rest on smooth horizontal surface with B over A. The coefficient of friction between A and B. 0.5 the maximum horizontal force that can be applied to A so that there will be motion of A and B without separation is :-

Two block A and B of masses 5 kg. and 3 kg. respectively rest on smooth horizontal surface with B over A. The coefficient of friction between A and B. 0.5 the maximum horizontal force that can be applied to A so that there will be motion of A and B without separation is :-

Two blocks of masses 4 kg and 6 kg are kept on a rough horizontal surface as shown. If the acceleration of 6 kg block is 5n , then n is :

Two blocks of masses 4 kg and 6 kg are kept on a rough horizontal surface as shown. If the acceleration of 6 kg block is 5n , then n is :

Two blocks A and B of masses 10 kg and 15 kg are placed in contact with each other rest on a rough horizontal surface as shown in the figure. The coefficient of friction between the blocks and surface is 0.2. A horizontal force of 200 N is applied to block A. The acceleration of the system is ("Take g"=10ms^(-2))

Two blocks A and B of masses 10 kg and 15 kg are placed in contact with each other rest on a rough horizontal surface as shown in the figure. The coefficient of friction between the blocks and surface is 0.2. A horizontal force of 200 N is applied to block A. The acceleration of the system is ("Take g"=10ms^(-2))

Three blocks A, B and C of masses 4 kg, 2 kg and 1 kg respectively, are in contact on a frictionless surface, as shown. If a force of 14 N is applied on the 4 kg block, then the contact force between A and B is