Advertisements
Advertisements
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?
Advertisements
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.
RELATED QUESTIONS
Name the forces acting on a plastic bucket containing water held above ground level in your hand. Discuss why the forces acting on the bucket do not bring a change in its state of motion.
A rocket has been fired upwards to launch a satellite in its orbit. Name the two forces acting on the rocket immediately after leaving the launching pad.
Why powder is sprinkled on a carrom board?
Write an answer to the following question in your own words.
Which machines run on muscular force?
Force executed by touching the body is called non–contact force.
Gravity pushes the ripen coconut from the tree to the ground.
What is the contact force?
Which one of the following forces is a contact force?
Where do we apply a force while walking?
An archer shoots an arrow in the air horizontally. However, after moving some distance, the arrow falls to the ground. Name the initial force that sets the arrow in motion. Explain why the arrow ultimately falls down.
