The block `B` moves with a velcoity `u` relative to the wedge `A`. If the velocity of the wedge is `v` as shown in figure, what is the value of `theta` so that the block `B` moves vertically as seen from ground.

A block of mass m is at rest on a rough wedge as shown in figure. What is the force exerted by the wedge on the block?

A block of mass m is at rest on a rough wedge as shown in figure. What is the force exerted by the wedge on the block?

A block of mass 'm' is kept on a smooth moving wedge. If the acceleration of the wedge is 'a'

A block of mass m is at rest on a rought wedge as shown in figure. What is the force exerted by the wedge on the block?

A block of mass m is at rest on a rought wedge as shown in figure. What is the force exerted by the wedge on the block?

A block of mass m resting on a wedge of angle theta as shown in the figure. The wedge is given an acceleration a. What is the minimum value of a so that the mass m falls freely ?

A plank is moving on ground with a velocity v and a block is moving on the plank with respect to it with a velocity u as shown in figure. What is the velocity of block with respect to ground ?

A ball A is falling vertically downwards with velocity v_(1) . It strikes elastically with a wedge moving horizontally with velocity v_(2) as shown in figure . What must be the ratio (v_(1))/(v_(2)) , so that the ball bounces back in vertically upward direction relative to the wedge