Question

Which force makes a balloon to stick on woollen sweaters?

Answer 1

Answer:

Wool is a conductive material, which means it readily gives away its electrons. Consequently, when you rub a balloon on wool, this causes the electrons to move from the wool to the balloon's surface. The rubbed part of the balloon now has a negative charge

Explanation:

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Answer 2

Answer:

Static means “stationary.” Static electricity is charge that is not moving. You can create a static charge in several ways. If you rub a balloon on a wool sweater, negative charges move onto the balloon. We say the balloon is negatively charged.