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Compasses 18. Why does the needle on the compass turn as it moves around the bar magnet? 19. How does the Earth's magnetic Field affect a compass needle? 20. Describe what you think would happen if a bar magnet was hung by a string and able to turn freely.

Compasses 18. Why does the needle on the compass turn as it moves around the bar magnet? 19. How does the Earth's magnetic Field affect a compass needle? 20. Describe what you think would happen if a bar magnet was hung by a string and able to turn freely.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Compasses 18. Why does the needle on the compass turn as it moves around the bar magnet? Ybod 19. How does the Earth's magnetic Field affect a compass needle? 20. Describe what you think would happen if a bar magnet was hung by a string and able to turn freely. # 21-30 fill in the blank with one of the following: gravitational, magnetic, electrostatic 21. An apple falling down from a tree is one of the best examples of non contact force. 22. Iron pins attracted in the presence of a magnet bar is non contact force. 23. Falling of raindrops on earth is also an example of non contact force. 24. The charging of the hair after a balloon is rubbed on a person's head is nor contact force.
Transcribed Image Text:Compasses 18. Why does the needle on the compass turn as it moves around the bar magnet? Ybod 19. How does the Earth's magnetic Field affect a compass needle? 20. Describe what you think would happen if a bar magnet was hung by a string and able to turn freely. # 21-30 fill in the blank with one of the following: gravitational, magnetic, electrostatic 21. An apple falling down from a tree is one of the best examples of non contact force. 22. Iron pins attracted in the presence of a magnet bar is non contact force. 23. Falling of raindrops on earth is also an example of non contact force. 24. The charging of the hair after a balloon is rubbed on a person's head is nor contact force.
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