Balloon Center of Gravity Experiment (Center of gravity experiments)

Balloon Center of Gravity Experiment (Center of gravity experiments)

Balloons
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The balloon with out the coin is easy to move, but the balloon with the coin is not that easy to move and control.

Why is this? When you toss the balloon with the coin in the air you can’t tell which way it’s going to go. This is because the balloon center of gravity.

Made for parents and teachers

Made for parents and teachers


Made for parents and teachers
Made for parents and teachers
The center of Gravity is where the majority of and object weight is located. In the case of the empty balloon it’s leaning towards the mouth and with a ball its in the center.

Because the coin adds more weight to the balloon and doesn’t stay in one place the center of gravity is displaced. When gravity pulls an object down it acts on the center of gravity of that object. So if you know where the center of the object is you can tell where it’s going to go as it falls. Because the center of gravity is changing in the balloon with the coin and makes its hard to tell where its going to go.

When you are closer to the ground you have a lower center of gravity. Which is why racecars are so low. This helps them make tight turns and lessens the chance of flipping over.


Try standing and lean to one side? Not easy.
Now try sitting (Low like a racecar) and lean to one side? Very EASY!
The center of gravity up high stand makes it hard to lean, but when you are low sitting it is very easy as your center of gravity is much lower to the ground.

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Steel wool and 9 volt battery
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