List all the forces actingk on a. the pulley A, b. the boy and c. the block C in figure

A block of mass m rests on a rough horizontl surface as shown in figure (a) and (b). Coefficient of friciton between block and surface is mu . A force F-mg acting at an angle theta with the vertical side of the block. Find the condition for which block will move along the surface.

Three blocks of m asses 1 kg, 2 kg and 3 kg are placed in contact w ith each other on a horizontal frictionless surface, as show n in figure. A force of 12 N is applied as shown in the figure. Calculate (i) the acceleration of the system o f these three blocks, (ii) the contact force acting on 2 kg block by first block of 1 kg and (iii) the contact force on 3 kg block.

A block is placed on a rough horizontal plane. Three horizontalforces are applied on the block as shown in the figure. If the block is in equilibrium, find the friction force acting on the block.

A block of mass M is pulled along a horizontal frictionless surface by a rope of mass m as shown in A horizontal force F is applied to one end of the rope. Find (a) the acceleration of the rope and block (b) the force that the rope exerts on the block (c) the tension in the rope at its mid point

A block of mass 4 kg is placed on another block of mass 5 kg and the block B rests on a smooth horizontal table. If the maximum force that can be applied on A so that both the blocks move together is 12N, find the maximum force that can be applied on B for the blocks to move together.

Power due to a force actoing on a block varies with time t as shown in figure. Then angle between force acting on the block and its velocity is :-

Two blocks of masses 6 kg and 4 kg are connected with rope of mass 2 kg are resting on a frictionless floor as shown in the following figure: If a constant force of 60N is applied to 6 kg block then the tension in the rope at points A,B and C are respectively given by :

A string of negligible mass passing over a clamped pulley of mass m supports a block of mass M as shown in figure. The force on the pulley by the clamp is given b y ..........

In the situation shown in figure, both the pulleys and the strings are light and all the surfaces are frictionless. The acceleration of mass M, tension in the string PQ and force exerted by the clamp on the pulley, will respectively be -