Happy Thursday

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Across
  1. 4. force The force that opposes motion through a fluid, like air resistance or water resistance.
  2. 6. A safety step taken to reduce experimental uncertainty, like checking for air resistance.
  3. 9. Two lines that never meet. In physics, circuits can have components arranged this way.
  4. 10. 悬崖
  5. 11. 朝向
  6. 13. resistance 空气阻力
  7. 15. The upward force that allows a boat to float in water.
  8. 16. The starting point (0,0) on a graph.
  9. 17. 立即
  10. 18. 丢
  11. 20. 解释
  12. 23. The curved surface of a liquid that you must read at eye level to avoid uncertainty.
  13. 24. 跳伞人员
  14. 26. The force that causes an object to fall when you drop it from a cliff.
Down
  1. 1. The force that opposes the direction of motion between two touching surfaces.
  2. 2. 精确
  3. 3. figure The number of meaningful digits in a precise measurement.
  4. 5. 降落伞
  5. 7. To arrive at a point. The time it takes to reach the ground depends on height and gravity.
  6. 8. 反向
  7. 12. 方向
  8. 14. 初始
  9. 15. 误差
  10. 19. At a 90-degree angle to a surface. The force of gravity acts this way to the ground.
  11. 21. 最小刻度
  12. 22. 跳跃
  13. 24. square 三角尺
  14. 25. To change. The net force on a falling object can vary with speed.