Q2. why do ink pens only work when we apply pressure?

Asked by Chandrashekhar | 24th Sep, 2018, 07:54: PM

Expert Answer:

There is metal ball at the nib of the ink pen or ballpoint pen which allows enough amount of ink to flow out of it while when pressure is applied on the pen allowing us to write smoothly. 

Answered by Shiwani Sawant | 26th Sep, 2018, 12:29: PM