Impulse-momentum theorem: The impulse of the force action on an object equals the change in momentum of the object FAt=4p=mv,-mv Impulse has units of Ns mpule≡FAt=Ap The impulse imparted by a force during the time interval At is equal to area under the force-time graph from beginning to the end of the time interval F △t Physics 121: Lecture 16, Pg 2Physics 121: Lecture 16, Pg 2 Impulse-momentum theorem: The impulse of the force action on an object equals the change in momentum of the object: Ft = p = mvf – mvi Impulse  Ft = p The impulse imparted by a force during the time interval t is equal to area under the force-time graph from beginning to the end of the time interval. F t t i t f t Favt F t t i t f t Impulse has units of Ns