What Do You Know About Forces?

1. Below is a movie of a car and truck crashing together.
   Is the force the car exerts on the truck
   1. greater than the force the truck exerts on the car
   2. less than the force the truck exerts on the car
   3. equal to the force the truck exerts on the car
   4. impossible to determine without knowing the speeds of the car and the truck

   Look at the Maple solution for this problem

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2. Why does a balloon filled with gas fly away when a hole is made in the balloon?
   

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