Why do ink pens only work when we apply pressure
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Answered by
30
Because at the top of the pen there is a small ball when we applied force on it it become go inside and that's why ink pens only work when we apply pressure on it..
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11
Answer:
Explanation:there is a low pressure within the pen. The surrounding atmospheric pressure is more ,so it will force the ink to jet from the ink bag to the paper.
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