4. Put someone on it.
I r
5. Get it up to speed. Then stop the
"car." The rider doesn't stop.
7. or the instrument panel..
.
I
8. or the safety belts!
6. The person keeps going until
stopped by something. In a real
vehicle, it could be the
windshield..
.
With safety belts, you slow down as the
vehicle does. You get more time to stop.
You stop over more distance, and your
strongest bones take the forces. That's
why safety belts make such good sense.
15