A plank of mass m rests symmetrically on two wedges B and C of mass M. What is the acceleration of the plank? Neglect friction between all the contact surfaces.

A rod of mass m is supported on a wedge of mass M shown in fig. Find the accelerations of rod and wedge in the arrangement. The friction between all contact surfaces in negligible.

A rod of mass m is supported on a wedge of mass M shown in fig. Find the accelerations of rod a and wedge A in the arrangment. The friction between all contact surfaces in negligible.

A plank of length 20 m and mass 1kg is kept on a horizontal smooth surface. A cylinder of mass 1lg is kept near one end of the plank. The coefficient of friction between the two surface is 0.5 . The plank is suddenly given a velocity 20 m//s towards left Which of the following statements is correct ?

A plank of length 20 m and mass 1kg is kept on a horizontal smooth surface. A cylinder of mass 1lg is kept near one end of the plank. The coefficient of friction between the two surface is 0.5 . The plank is suddenly given a velocity 20 m//s towards left Which of the following statements is correct?

Find the accelerations of rod A and wedge B in the arrangement shown in figure if the ratio of the mass of the wedge to that of the rod equals eta , and the friction between all contact surfaces is negligible.

Find the accelerations of rod A and wedge B in the arrangement shown in figure if the ratio of the mass of the wedge to that of the rod equals eta , and the friction between all contact surfaces is negligible.

A man of mass m starts moving on a plank of mass M with constant velocity v with respect to plank. If the plank lies on a smooth horizontal surface, then velocity of plank with respect to ground is