It’s Time to Race!!!

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# It’s Time to Race!!! - PowerPoint PPT Presentation

It’s Time to Race!!!. Egg Crash Test Cars. Learning Goal. Students will understand the principles of experimental design and how Newton’s Laws apply to crash tests. The Problem.

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## It’s Time to Race!!!

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Presentation Transcript
1. It’s Time to Race!!! Egg Crash Test Cars

2. Learning Goal • Students will understand the principles of experimental design and how Newton’s Laws apply to crash tests.

3. The Problem • Your crash test dummy, Egg-Man, needs to survive a high-speed crash into the wall. You must design and create a race car that will allow him to survive the collision and roll away unscathed.

4. Need a demo? • http://www.youtube.com/watch?v=u49JdRXu_mQ

5. Things to think about • Crashworthiness - how well a vehicle can protect its occupant in a crash. Note that this does not mean the car itself needs to remain undamaged after a crash.

6. Things to think about • Resilience - how much energy (impact) an object can absorb

7. Things to think about • Mass - how much weight something has. The more mass, the faster the car will collect kinetic energy (speed) as it rolls downhill.

8. Things to think about • Momentum - the force that keeps an object in motion. Objects with more mass have more momentum. In other words, a heavy car moving at the same speed as a light car will be much harder to stop. Heavy cars will quickly accumulate momentum which results in higher speeds, but also greater impact

9. Things to think about • Force: How do Newton’s law relate to to car crashes?

10. Restrictions • Like a real car, the occupant (egg) must be able to easily enter and exit the car. Your egg may not be permanently incased inside the car. • You must submit a design before receiving your construction materials • Your designed must be tested and approved with a plastic egg before Egg-Man will enter your vehicle.