Old car vs new car http www youtube

Old car vs new car • http: //www. youtube. com/watch? v=f. PF 4 f. BGN K 0 U

Activity-Water Balloon Toss 1) Place both partners name at top of index card 2) Copy onto the index card the following and fill in the blanks-

Water balloon toss Today we will demonstrate the concept of I_______. • The formula is: ______ • The definition is: A change in ______ • We want to d_____ momentum by decreasing the force. We will extend the f_____ over a ______ period of time • Examples of this are • a) Air b _______ in cars • b) Crumple z____ in cars c) Break away u _____ poles on highways d) and crash c____ These devices decrease injury by absorbing K_____ energy To demonstrate I____ with a water balloon I will c____ the balloon when I catch it. Meaning I will c______ it for about a _____ before I stop its m_______ • • Impulse • • Impulse= (force)(time) Momentum Decrease Force long Air bags in cars zones Utility • cushions • • • Kinetic Impulse Cradle Carry, meter momentum

Instructions • Fill one balloon ½ way full • Carry carefully to field • You will start with a grade of 70, after each toss your grade increases by 10 points, but after each toss you separate further apart.