Demo Name
| Demo Number | 148 |
|---|---|
| Location | Shelf 30 |
| Description | Hang board at one hole(use the included rod), hang a plumb bob from the same point and use chalk to make a quick vertical line on the board (repeat 4 times). Now, hang the board at another hole and make a vertical line again. After this is done two or three times, the lines should intersect at one point. This point is the center of mass. |
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