Discussion :: Physics
- When a pail of water is swung in a vertical circle, the water does not fall out at the top of the loop when the speed is
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A.
Below a certain minimum value irrespective of amount of water in the pail |
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B.
Above a certain minimum value irrespective of amount of water in the pail |
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C.
Above a certain minimum value depending on amount of water in the pail |
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D.
Below a certain minimum value depending on amount of water in the pail |
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Answer : Option B
Explanation :
When a pail of water is swung in a vertical circle, the water does not fall out at the top of the loop when the speed is great enough. At every point in the circle the water tries to fall vertically out due to the force of gravity g but also tries to move in a straight line due to its circular motion.
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