Whole system shown is at rest. Pulley and string are massless. Net force on the pulley by the string is?

In the shown mass pulley system, pulleys and string are massless. The one end of the string is pulled by the force F = mg. The acceleration of the block will be :

In the shown mass pulley system, pulleys and string are massless. The one end of the string is pulleed by the force F=2mg . The acceleration of the block will be

An arrangement of spring , strings, pulley and masses is shown in the figure . the pulley and the String are massless and Mgtm . the spring is light with spring constant k . If the string Connecting m to the ground detached , then immediately after detachment

All the surface and pulleys are frictionless in the shown arrangement. Pulleys P and Q are massless .The force applied by clamp on pulley P is

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

In the given figure, pulleys and strings are massless. For equilibrium of the system, the value of  is -

Find the accelerations of two blocks. Assume pulleys and strings are massless and frictionless. Also assume the string to be inextensible.

Find the natural frequency of oscillation of the system as shown in figure. Pulleys are massless and frictionless. Spring and string are also massless. (Take pi^(2)=10 )

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