Which one of this forces can be considered as an impulsive f
     Which one of this forces can be considered as an impulsive force?  Weight of a body  Force imparted by a slightly deformed spring having a relatively small stiffness  Force on the racket when striking a tennis ball 
  
  Solution
impulse is the integral of a force, F, over the time interval, t, for which it acts.The term \"impulse\" is also used to refer to a fast-acting force or impact.A large force applied for a very short duration, such as a golf shot, is often described as the club giving the ball animpulse.
so,force on the racket when striking a ball is impulse force

