Why
Safety
Belts
Work
When
you
ride
in
or
on anything,
you
go
as fast as
it
goes.
For
example,
if
the bike is going
10
mph
(1
6
kmk),
so
is
the child.
__...
.,..
When the bike hits the block,
it
stops.
But
the child keeps going!
Take the simplest vehicle. Suppose it's
just
a
seat on wheels.
17
...
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