Can A Light Weight Lift A Heavier Weight Force And Motion Science Experiment
In this fun and easy force and motion science experiment for kids, we’re going to see if a lighter weight can lift a heavier weight.
- 24 inches of string
- Small stone that is slightly heavier than your button
- Spool with or without thread
- Thread the string through the spool.
- Tie the stone securely to one end and the button to the other end.
- Hold the spool above your head with one hand. Make sure the spool is straight up and down with the stone on the bottom end of the spool.
- With your other hand, hold the string just above the stone and start swinging the button around.
- Spin the button quickly and then let go of the string while continuing to hold onto the spool.
- Keep swinging the button and the centrifugal force should lift the heavier stone.
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How it Works:
The spinning button on top of the spool tries to travel away from the end of the spool, but the heavier stone on the other end of the string is holding it back so that it moves in a circle. The more you twist the spool, the faster the button spins around. When the pull of the spinning button is stronger than the downward pull of gravity on the hanging stone, the lighter button on top lifts the heavier hanging stone.
Make This A Science Project:
Try a straw instead of a spool. Try spinning different objects. Try heavier items.
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