Question
A block and tackle system consists of two or more of these devices. For 10 points each:
[10e] Name these simple machines which are used to vertically lift heavy objects. They consist of a wheel with a groove around its edge, where a rope or belt runs through.
ANSWER: pulleys
[10m] This quantity for a pulley is equal to the number of ropes which support its load. Output force over input force equals this quantity, the performance of a simple machine.
ANSWER: mechanical advantage
[10h] These devices consist of two masses connected by a string that passes over a pulley. These devices are often used as a classical demonstration for the principles of mechanics.
ANSWER: Atwood machine
<Science - Physics>
Data
| Team | Opponent | Part 1 | Part 2 | Part 3 | Total |
|---|---|---|---|---|---|
| BASIS-Independent Brooklyn | East Brunswick B | 10 | 0 | 0 | 10 |
| Downingtown STEM | Stuyvesant A | 10 | 0 | 10 | 20 |
| East Brunswick A | Mather A | 10 | 10 | 10 | 30 |
| Hastings A | moving finger C | 10 | 10 | 10 | 30 |
| Hastings B | Stuyvesant B | 10 | 0 | 10 | 20 |
| Hunter B | Eastchester | 10 | 10 | 0 | 20 |
| Mather B | moving finger B | 10 | 10 | 0 | 20 |
| North Babylon A | Mather C | 10 | 10 | 10 | 30 |
| North Babylon B | Daniel Boone Academy | 10 | 0 | 0 | 10 |
| moving finger A | Hunter A | 10 | 10 | 10 | 30 |
Summary
| Tournament | Edition | Exact Match? | Heard | PPB | Easy % | Medium % | Hard % |
|---|---|---|---|---|---|---|---|
| 2024 FARSI @ Columbia | 12/08/2024 | Y | 10 | 22.00 | 100% | 60% | 60% |