In the arrangement shown, the pulleys are massless and frictionless. The rope connected to the block is also light and inexlensible. The system is in equilibrium. Select the correct alternative.

In the arrangement shown, the pulleys and strings are massless. The acceleration of block B is :

In the arrangement shown, the pulleys and strings are massless. The acceleration of block B is :

In the arrangement , shown below pulleys are massless and frictionless and threads are inextensible , block of mass m_(1) will remain at rest if

In the arrangement , shown below pulleys are massless and frictionless and threads are inextensible , block of mass m_(1) will remain at rest if

In the arrangement shown below pulleys are mass less and frictionless and threads are in responsible block of mass m_(1) will remain at rest if :

In the arrangement shown the fixed pulley is massless and frictionless. If the acceleration of block of mass 1kg is (30)/(x)m//s^(2) . Find the value of x .

In the arrangement shown the fixed pulley is massless and frictionless. If the acceleration of block of mass 1kg is (30)/(x)m//s^(2) . Find the value of x .

For the system shown in the figure,the pulleys are light and frictionless.The tension in the string will be

In arrangement shown below, the thread pulley and spring are all massless and there is no friction anywhere. The system is in equilibrium. If thread connecting m_(4) is cut then just after thread is cut :