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EXPERIMENT 6
What do shaking and
exercise have in common?
YOU WILL NEED
› The assembled exercise machine
› A few anchor pins and whatever bars you like
› 3 x AAA batteries or 3 x AAA rechargeable batteries
› A few small stones in a bag
HERE'S HOW
1. Build your own exercise machine! You will find the
instructions on the following page.
2. Open the cover on the vibrating motor. That's how you
get to the battery compartments.
3. Insert the batteries as indicated inside the
compartments and replace the cover.
4. Stick the bars together however you like, mount them
on the vibrating motor, and switch on the vibrating
motor. What happens to the bars?
5. Now place the bag with the pebbles on the motor. What
happens to it?
KEYWORD: VIBRATION TRAINER
Can you really get into shape just by shaking? Of course! A lot of exercise
gyms have vibration trainers. Simply get on, hold tight, and off you go! You
can select how much you want the
machine to vibrate, based on your
weight and training goals. The
vibrations are conveyed to the
muscles in your body and work to
strengthen them. That's how you
can turn a vibrating motor into an
exercise machine.
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WHAT'S HAPPENING
In this experiment, you will clearly see how the
vibrations move upward from the motor and
become transferred to whatever objects are on
top of it. The heavier the objects, the less they
vibrate. Just be careful not to let them fall off the
motor platform.
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