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?

Open in App

Solution

On rubbing an inflated balloon with a piece of synthetic cloth, it becomes charged. A charged body attracts an uncharged body. When this charged balloon is pressed against a wall, it sticks to the wall. The force acting between the charged balloon and the wall is the electrostatic force.

Suggest Corrections

163

Similar questions

Question 7
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?

Q. Why does a balloon stick to a wall after being rubbed against your hair?

Q. In Fig. 4.148 a balloon is pressed against a wall. It is in equilibrium and maximum compressed state.

_{1}

= force of balloon on hand of man;

_{2}

= force of balloon on wall;

_{3}

= friction;

_{4}

= weight of balloon. Consider the following statements:

Q. An inflated balloon is rubbed with a woollen cloth and then, a ballpen refill is rubbed with polythene. When the balloon and the ballpen refill are brought close to each other, it is observed that they attract each other. What can be concluded from this?

Q. On a cold, dry day, a child takes two balloons and rubs them against his sweater.
(a) When taken near each other, the balloons repel each other.
(b) When one is taken near the wall, it sticks to it.
Give reasons for the above observations.

Join BYJU'S Learning Program