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In which type of fall does water flow freely over a horizontal obstruction, causing a gradual decrease in velocity?
64. In which type of fall does water flow freely over a horizontal obstruction, causing a gradual decrease in velocity?
- Free fall
- Rapid fall
- Hydraulic fall
- Drop fall
Answer
The correct answer is: A) Free fall
Explanation
Free falls occur when water flows freely over a horizontal obstruction, gradually reducing velocity without any abrupt changes.