Question

Question 17 of 25Which of the situations described below is explained by the electrical force?O A. A child's hair stands on end after she removes a stocking cap on acold dayO B. A rock sits at rest on the side of a hill, despite the gravitationalforce.O C. A race car traveling around a curve is pressed down into thebanked track.O D. A compass needle swings around so that it points due north.

Answer 1

To find

Which of the situations described below is explained by the electrical force?

Explanation

When you pull up the cap, electron from the hat move on to the hairs. As the hair initially has positive charges so the opposite charges repel each other and the hair stands on end.

Conclusion

The correct answer is

A. A child's hair stands on end after she removes a stocking cap on a cold day.