Chapter - 1 Force and Pressure

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Q
Force and Pressure

Question:

An inflated balloon was pressed against a wall after it has been rubbed with a piece of synthetic cloth. It was found that the balloon sticks to the wall. What force might be responsible for the attraction between the balloon and the wall?

Answer:

When an inflated balloon is rubbed with synthetic cloth, the balloon gets charged. Now, when the charged balloon is pressed against a wall, the balloon sticks to the wall because a charged balloon attracts an uncharged wall because of electrostatic force.


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