Owner's Manual

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Why Safety Belts Work
When you ride in or on anything, you
go as fast as it goes.
1. For example, if the bike is going
10 mph (16 km/h), so is the child.
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2. When the bike hits the block, it
stops.
But the child keeps going!
3. Take the simplest “car.” Suppose
it’s just a seat on wheels.
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