141 Fall 2019, #2

Please read carefully and answer properly

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* 1. Your name (in order to get credit for doing this)

Your last name

Your first name

The questions below refer to collisions between a car and truck. For each description of a collision, choose the one answer from the possibilities (A though D) that best describes the forces between the car and the truck. Compared to the force that the truck exerts on the car, the force that the car exerts on the truck is:
A) Greater
B) Smaller
C) The same
D) Not enough information is given.

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Truck is much heavier than the car

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* 2. They are both moving at the same speed when they collide. Which choice describes the forces?

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* 3. The car is moving much faster than the heavier truck when they collide. Which choice describes the forces?

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* 4. In a head-on collision between the small car and massive truck at equal speeds, compared to the acceleration of the truck the car's acceleration is...

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* 5. Now, please consider identical twins of equal mass driving each of the two vehicles in the described head-on collision above. Compared to the force on the driver of the truck, the force on the driver of the small car is:

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* 6. We wonder how the above physics correlates to what we may already know about head-on collisions Compared to the injuries of the person driving the massive truck, the injuries of the person in a small car are: