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The Self Balancing Wine Bottle Holder
The Self Balancing Wine Bottle Holder
The Self Balancing Wine Bottle Holder is a demonstration that makes the bottle seem like it’s floating or defying gravity. However, it is all about the center of mass! The center of mass is the balance point of the system at which the distribution of mass is concentrated. At the end of the video, the free body diagram shows that the center of mass of the system is directly above at which the wine holder touches the table.
Balancing a Soda Can on its Edge
Balancing a Soda Can on its Edge
There is a bit of liquid in there, but not so much that it will tip over. The center of mass is going straight down where the can touches the floor.
Balancing Utensils on Glass with Toothpick:
Balancing Utensils on Glass with Toothpick:
The center of mass is the balance point of the system at which the distribution of mass is concentrated. In the free body diagram, you can see that the center of mass of the system is where the toothpick is sitting on the rim of the cup. You can also try another version of this by using 2 forks instead of 1 fork and 1 spoon!
The Balance Bird is a classic physics toy that demonstrates center of mass. The center of mass is the balance point of the system at which the distribution of mass is concentrated. In this case, the center of mass of the whole system, which is just the bird, is at the tip of the beak.
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