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. when the negatively - charged balloon is brought near the strands of katies hair, they move to get closer to the balloon, without the balloon actually touching them. this shows that a. particles in the air must be pulling katies hair toward the balloon. b. electric attraction is a force that can only act on contact. c. katies hair would move in this way with or without the balloon. d. electric attraction is a force that can act at a distance.

Explanation:

When the negatively - charged balloon is near the positively - charged hair and the hair moves towards the balloon without contact, it demonstrates that electric attraction can act over a distance. Option A is incorrect as there is no indication particles in the air are pulling the hair. Option B is wrong because the example shows electric attraction can act without contact. Option C is false as the hair moves due to the presence of the charged balloon.

Answer:

D. electric attraction is a force that can act at a distance.