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 masses 40kg and 30 kg connected by a massless string passing over a frictionless light pulley as shown in the figure. The tension ( almost ) in the string will be : ( All surfaces are frictionless)

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 50 kg and 30 kg connected by a massless string pass over a light frictionless pulley and rest on two smooth planes inclined at angles 30^(@) and 60^(@) resp . With horizontal .Determine the accelertion in the two blocks and tension in the string g = 10 m//s^(2) .

Two masses of 10 kg and 20 kg are connected with an inextensible string passing over two smooth pulleys as shown in the figure. The acceleration of 20 kg mass will be :

Two masses of 10 kg and 20 kg are connected with an inextensible string passing over two smooth pulleys as shown in the figure. The acceleration of 20 kg mass will be :

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 3 kg and 6 kg are connected by a string as shown in the figure over a frictionless pulley. The acceleration of the system is