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Set the principle of energy and work to 1, 2, 3, or 4 blocks or mobiles.
| Equations: | 1 |
| Data: | |
|---|---|
| Object 1: | Name of the first block or mobile. |
| Object 2: | Name of the second block or mobile. |
| Object 3: | Name of the third block or mobile. |
| Object 4: | Name of four block or mobile. |
| W: | External work to the system. |