Two blocks `A` and `B` , each of mass `10 kg` , are connected by a light string passing over a smooth pulley as shown in the figure. Block `A` will remain at rest if the friction on it is

Two blocks of masses of 40 kg and 30 kg are connected by a weightless string passing over a frictionless pulley as shown in the figure.

Two blocks of masses of 40 kg and 30 kg are connected by a weightless string passing over a frictionless pulley as shown in the figure.

Two blocks each of mass 4 kg connected by a light string which is passing over an ideal pulley is as shown in figure. If the system is released from rest then the acceleration (in m/ s^2 ) of centre of mass is (g = 10 m/ s^2 )

Two blocks A and B of respective masses 6 kg and 4 kg are connected with a string passing over a light friction less pulley as shown in the figure . The coefficient of friction between the block A and horizontal surface is 0.4 . Then the minimum mass of block C which should be placed over A to prevent it from moving is :

Two blocks A and B of respective masses 6 kg and 4 kg are connected with a string passing over a light friction less pulley as shown in the figure . The coefficient of friction between the block A and horizontal surface is 0.4 . Then the minimum mass of block C which should be placed over A to prevent it from moving is :

Two blocks of masses 10 kg and 9 kg are connected with light string which is passing over an ideal pulley as shown in figure. If system is released from rest then the acceleration of 9 kg block at the given instant is about (Assume all the surfaces are smooth and g = 10 m/s^2 )

Two blocks A & B are connected by a light inextensible string passing over a fixed smooth pulley as shown in the figure. The coefficient of friction between the block A and the horizontal table is mu=0.2 . If the block A is just to slip, find the ratio of the masses of the blocks.

Two blocks A & B are connected by a light inextensible string passing over a fixed smooth pulley as shown in the figure. The coefficient of friction between the block A and the horizontal table is mu=0.2 . If the block A is just to slip, find the ratio of the masses of the blocks.

As shown in figure two blocks A and B of mass 1kg each are connected by an ideal string that passes over a smooth pulley that is fixed on a smooth fixed wedge as shown. If the ratio of normal reaction on block A and on block B is ( 4)/( 3) then -

Two blocks A and B are connected by a light inextensible string passing over a fixed smooth pulley as shown in figureThe coefficient of friction between the block A and B the horizontal table is mu = 0.5 . If the block A is just , find ratio of the masses of the blocks