The force 15 N pulls the lower block for 2m, find speed.

A force of 0.5 N is applied on upper block as shown in figure. The work done ( in joule ) by upper block on lower block for a displacement of 3 m is :

A force of F=0.5 N is applied on lower block as shown in figure. The work done by lower block on upper block for a displacement of 3 m of the upper block with respect to ground is (Take, g=10 ms^(-2) )

consider the situastion of the previous problem. Suppose the block of mass m_1 is pulled by a constant force F_1 and the other block is pulled by a constant force F_2 . Find the maximum elongation that the spring will suffer.

A block of mass m is placed on a rough horizontal surface. If minimum force to pull the block is (mg)/(2) then coefficient of friction is :

A block is pulled slowly as shown in the diagram. Show that force F increase as the block moves up. Find the force F when the block is at depth h .

A force of F = 0.5 N is applied on lower block as shown in figure. The work done by lower block on upper block for a displacement of 6m of the upper block with respect to ground is (in J). (Take g = 10 m//s^(2) ).

A block of mass 2 kg is pushed against a rough vertical wall with a force os 40 N. Coefficient of static friction being 05. Another horizontal force is 15 N, is applied on the block in a direction paralle to the wall. Will the block move? If yes in which direction? If no, find the frictional force exerted by the wall on the block.

A block of mass 20 kg is moving on a smooth surface by pulling through a light string of tension 10sqrt2 N. Find the work done by string on the block for a displacement of 2 m along the surface.