Math, Physics

1
Crash Test Dummies!

• Math, Physics
• and
• Car Crashes

2
Crash Test Dummy Video
http//www.auto-buying-tips.com/video_sound/crash_
test_videos.htm
3
What Physics concept did the video exemplify?

• NEWTONS FIRST LAW OF MOTION
• (NFLOM)
• Definition
• Objects at rest will stay at rest, and objects
  in motion will continue in motion in a straight
  line at constant speed unless they are acted upon
  by an outside force.

4
Using your knowledge of NFLOM, explain what
happened to the crash test dummies and why?
A Dummys motion will stay at a constant speed
in a straight line until it is acted upon by an
outside force. The outside force in the video
clip was the windshield!
5
List some ways car accidents and resulting
injuries can be avoided.

• Wearing a Seatbelt
• Defensive Driving
• Driving Slower
• Especially when wet or icy!
• Following Traffic Laws

6
Seatbelts Save Lives!

• Statistics
• How do Seatbelts Work?

7
State by State Breakdown of Teen FatalitiesAge
16 19 Years OldBy Restraint (Seatbelt) Use
Source F.A.R.S. National Highway Traffic Safety
Administration, 2002
More statistics
8
Driver Fatality Rates Per 100,000 Licensed
Drivers in 2002By Age and Gender, In Passenger
Vehicles
http//www.nhtsa.dot.gov/people/injury/airbags/Occ
upantProtectionFacts/young_adults.htmopinions
9
Seatbelts

• The basic idea of a seatbelt is very simple

• It keeps you from flying through the windshield
  or hurdling toward the dashboard when your car
  comes to an abrupt stop.

http//auto.howstuffworks.com/seatbelt.htm
A seat belt decreases the chances youll get
hurt by firmly keeping you in place.
http//www.nhtsa.dot.gov/people/injury/airbags/Sea
tbelt20Broch20Web/nonpolice.html
10
Seatbelt Basics

• Vulnerable Body Parts
• vs.
• Durable Body Parts

When in a car crash, something has to exert a
force on your body to slow it down.
A seatbelt spreads the force across the more
sturdier and durable parts of the body.
Seatbelts Minimize Injury!
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If you wear a seat belt every time youget into a
vehicle, youre more likely to

• Get to where youre going on time.         
• Hold onto hard-earned cash.
• Tickets and Points on License         
• Prevent injuries
• Someone is injured every 15 seconds
• Live!Someone is killed in a crash every 13
  minutes
• Seatbelts save over 11,000 lives each year
• So, buckle up on every trip. Every time.

In Ohio, the fine for a 1st offense is 30
http//www.nhtsa.dot.gov/people/injury/airbags/Sea
tbelt20Broch20Web/nonpolice.html
12
Car Insurance Rates

• How much is car insurance (Liability only) for an
  average 16 year old student?
• Male 726 per 6 months
• Female 604 per 6 months
• How much is car insurance for a 16 year old
  student who gets good grades?
• Male 650 per 6 months (savings 76)
• Female 541 per 6 months (savings 63)

Thats over 100 bucks a month!
State Auto Mutual Insurance
13
How does this relate to Math?
Crash Test Dummies

• Summary

NFLOM
Seatbelts
Portfolio Project!
Decrease Injury
Car Insurance
Injury Statistics
Making Data Tables
Graphing
Writing Equations
Solving Equations
Graphing
Writing a Conclusion
14
Conclusion

• Drive Safe!
• Always Wear a Seatbelt!
• Get Good Grades!
• Always Do your Homework!