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Theory of a Ballpoint Pen

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Describe the energy changes that take place when a ballpoint pen is used. Decribe the forces that act in the use the ballpoint pen..

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The working of ballpoint pen is discussed in detail.

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Ballpint pen
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Describe the energy changes that take place when a ballpoint pen is used. Decribe the forces that act in the use the ballpoint pen..
Answer:

The ballpoint pens are having a ball as the tip of the pen. This ball is fitted in such a way that it can rotate freely in any direction at the mouth of the refill. The thick and viscous ink is filled in the refill.

To write, we move the tip of the pen on the paper. With that the ball rolls over the ...

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