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Balancing Act

This experiment demonstrates how the center of gravity shifts when using water in soft drink cans. Start by filling one can with 100 mL of water and handing your friend the empty can to balance on its rim. Meanwhile, you balance your own filled can without them knowing. As they struggle to keep their can upright, yours will balance perfectly due to the water's ability to move the center of gravity above the balance point. This fun demonstration reveals the principles of balance and gravity in a surprising way.

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Balancing Act

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Presentation Transcript

  1. Balancing Act By Lucas

  2. The aim of this experiment is to show how the center of gravity changes with the use of water. Aim of the Experiment

  3. Two soft drink cans. • Some water. • An unsuspecting friend. Apparatus/Materials

  4. Fill up one of the cans with 100 milliliters of water. Step 1

  5. Now give your friend the can with no water inside it and ask them to balance it on it’s bottom rim. Step 2 Take 1 Take 2 Take 3

  6. Now take your own can secretly filled with water and balance it on it’s bottom rim for as long as you want, leaving your friend baffled! Step 3

  7. Your can balances perfectly whereas your friends couldn’t stay up if it wanted to. Observation

  8. Your can balances because the water moves the center of gravity above the point that it is balancing on. Explanation Diagram showing the center of gravity in the can (Orange dot)

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