Chapter - 1 Force and Pressure

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Force and Pressure


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?


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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