Thames & Kosmos Gyrobot handleiding
Handleiding
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High wire act
YOU WILL NEED
› Various-sized rods from the kit box
HERE’S HOW
1. Try balancing the various rods on your index finger.
Does it work beer with long rods or short ones? Can
you balance them when they are vertical in addition to
lying flat? If so, then the rod has two centers of gravity.
2. Mount an 11-hole rod on the tip of a 5-hole dual rod to
serve as a balancing pole. When you do this, the long
bar’s center of gravity is above the center of gravity of
the short bar.
3. Is the 5-hole dual rod easier to balance on your finger
tip with or without the balancing pole?
WHAT’S HAPPENING
The bar is easier to balance if another bar is placed
crossways on top of it. That’s why tightrope
walkers often carry a balancing pole or hold their
arms stretched out to their sides. When a
tightrope walker loses his balance, his body’s
center of gravity shifts so that it is no longer
above the rope (which is where it is supposed to
be). By tipping the pole a lile, he can shift his
body’s center of gravity back to its position
above the rope. The heavier the pole, the lower
the location of the center of gravity. A
balancing pole can weigh up to 30 kg!
KEYWORD: SLACKLINE
About to depart on a rock climbing trip when the
weather turns nasty? No problem, thought some
climbers in Yosemite National Park. Starting in the
early 1980s, instead of inching up the rock face they
would “dance” on their ropes or climbing harnesses
stretched between the trees. Today, this fun sport is
popular among non-climbers as well.
Build your own tightrope
walker! Do you think it can manage to
cross your room on tightrope? Why not
give it some secret messages to deliver? To
avoid falls, secure it with a tether as
described in Experiment 1.
LET’S GO
Center of gravity
Center of gravity
EXPERIMENT 6
18
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Productinformatie
| Merk | Thames & Kosmos |
| Model | Gyrobot |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 25894 MB |
