1. My Dream car
Design and Safety

2. Introduction Shnira wants a stylish “cool” car for her 17th birthday
Her parents want her to get a “safe” car
But what constitutes a “safe” car?
Can a “safe” car also be stylish?

3. Lexus RX 350 Tested vehicle 2016 Lexus RX 350 4-door 4wd Weight
4,431 lbs.
Side airbags
front and rear head curtain airbags and front and rear seat-mounted torso airbags
Wheelbase
110 in.
Length
193 in.
Width
75 in.
Engine
3.5 L V6
EPA ratings
19 mpg city / 26 mpg highway

4. Lexus RX 350 Safety Features
Side airbags: front and rear head curtain airbags and front and rear seat- mounted torso airbags
Rollover sensor: designed to deploy the side curtain airbags in the event of an impending rollover
Driver and front passenger knee airbags: separate airbags in the lower instrument panel designed to minimize knee injuries in frontal crashes
Electronic stability control
Antilock brakes
Daytime running lights

5. Physics Calculations Momentum (p) = Mass (m) x Velocity (v)
Mass: 4,431 lbs. = 2,010 kg
Velocity: 60 mph = 96 kmph
2010 x 96 = kg * km/h
Impulse (J) = Force (N) x Time (s)
Acceleration = 20 m/s2
Force = Mass x acceleration
2010 x 20 = 40,200 N
Impulse = 40,200 x 10 s = 402,000 N * s

6. Crashworthiness Results
Small overlap front
Good
Moderate overlap front
Side
Roof strength
Head restraints & seats

7. Crash Test Videos
crash test
nhsta crash