A ball srikes the wedge horizontally. Everything is frictionless.IN THIS QUESTION MASS OF BALL AND WEDGE ARE GIVEN .MY PROBLEM IS I AM NOT ABLE TO UNDERSTOOD WHY WE HAVE TAKEN IMPULSE ALONG NORMAL OF WEDGE.HOW NORMAL CAN BE IMPULSIVE
A ball srikes the wedge horizontally. Everything is frictionless.IN THIS QUESTION MASS OF BALL AND WEDGE ARE GIVEN .MY PROBLEM IS I AM NOT ABLE TO UNDERSTOOD WHY WE HAVE TAKEN IMPULSE ALONG NORMAL OF WEDGE.HOW NORMAL CAN BE IMPULSIVE










