Holt Homework #2 Conservation of momentum
Read pg 203 and 204
1. Force is ______________ ___________ when the time interval of an impace is increased
2. _____________________________is used to design safety equipment that reduces the force
exerted on the human body during collisions.
3. Do questions 1,3 and 5 below from the Section review on pg. 204
Conservation of momentum
1. Write the equation that shows that the momentum of two colliding objects is equal before and
after a collision:
2. Explain the law of conservation of momentum in words:
3. Read the inside story on surviving a collision on pg. 207. Use physics to explain seat belts are
important?
4. Does the principle of conservation of momentum apply only to collisions? Give an example.
5. Read the sample problem on pg 208 and write the steps to solving this kind of problem, include
all equations you would use.
6. Do practice D problems 1 and 3:
7. Use the bumper car scenarios to rewrite the equation for the conservation of momentum:
8. Do the Section Review on pg. 211: