Question
Katie rubs a balloon against her hair. Electrons from her hair travel to the balloon, giving the balloon a negative charge and her hair a positive charge.
Image courtesy of NASA
When the negatively charged balloon is brought near the strands of Katie's hair, they move to get closer to the balloon, without the balloon actually touching them. This shows that
A.
electric attraction is a force that can only act on contact.
B.
electric attraction is a force that can act at a distance.
C.
particles in the air must be pulling Katie's hair toward the balloon.
D.
Katie's hair would move in this way with or without the balloon
Image courtesy of NASA
When the negatively charged balloon is brought near the strands of Katie's hair, they move to get closer to the balloon, without the balloon actually touching them. This shows that
A.
electric attraction is a force that can only act on contact.
B.
electric attraction is a force that can act at a distance.
C.
particles in the air must be pulling Katie's hair toward the balloon.
D.
Katie's hair would move in this way with or without the balloon
Answers
GPT-4o mini
The correct answer is:
**B. electric attraction is a force that can act at a distance.**
This demonstrates that the negatively charged balloon can exert an attractive force on the positively charged hair without direct contact.
**B. electric attraction is a force that can act at a distance.**
This demonstrates that the negatively charged balloon can exert an attractive force on the positively charged hair without direct contact.