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| Highscores (31 registered players) | ||||
|---|---|---|---|---|
| Member | Score | Time | Date | |
| 1 | mn17 | 100% | 0:19.3 min. | 6 Oct, '19 |
| 2 | zoel | 100% | 0:22.0 min. | 21 Dec, '11 |
| 3 | KingKoziol | 100% | 0:22.2 min. | 28 Dec, '08 |
| 4 | CarpeDiem | 100% | 0:22.3 min. | 11 Nov, '08 |
| 5 | heateh | 100% | 0:22.8 min. | 10 Nov, '08 |
| 6 | joc3942 | 100% | 0:24.9 min. | 28 Dec, '17 |
| 7 | Kathy | 100% | 0:24.9 min. | 29 Dec, '11 |
| 8 | BoboLo | 100% | 0:25.1 min. | 30 Dec, '11 |
| 9 | Ericvd | 100% | 0:25.5 min. | 28 Dec, '11 |
| 10 | itsasbeltza | 100% | 0:26.3 min. | 10 Oct, '19 |
| 11 | makropulos | 100% | 0:26.7 min. | 10 Oct, '19 |
| 12 | umejr | 100% | 0:27.0 min. | 12 Mar, '12 |
| 13 | grevep | 100% | 0:29.6 min. | 11 Nov, '08 |
| 14 | Grainbeer | 100% | 0:30.4 min. | 17 Dec, '15 |
| 15 | Braminator | 100% | 0:30.4 min. | 2 Jun, '13 |
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This is an online quiz called Block and Tackle
There is a printable worksheet available for download here so you can take the quiz with pen and paper.
You lift a 100 Newton weight (heavy red)10 cm (heavy green). How far does the rope move (thin green), and what's the force on the lines (thin red)?
Name of the pulley arrangement is at the top.
Modified from a drawing by Welkinridge at Wikipedia/Wikimedia.
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