Q. The product of force and the time for which the force acts on a body is equal to the change in ________ of the body.
Answer: momentum
Notes: A large amount of force acting on an object for a period of time is called impulse or impulsive force. Numerically, impulse is the product of force and time. Impulse of an object is equal to the change in momentum of the object. In other words, Impulse is a change of momentum produced, equivalent to the average value of the force multiplied by the time during which it acts.