21-30 only 19. How does the Earth's magnetic Field affect a compass needle?2012slo20. 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, electrostaticnol to gy 1adW.r21. An apple falling down from a tree is one of the best examples ofnon contact force.22. Iron pins attracted in the presence of a magnet bar isnon contact force.23. Falling of raindrops on earth is also an example ofnon contact force.24. The charging of the hair after a balloon is rubbed on a person's head isnoncontact force.25. Two magnets are placed close to each other is an example ofexample.non contact force26. Free fall of a ball towards earth is an example ofnon contact force.27. Leaves falling from a tree is an example ofnon-contact force.28. Electromagnetism is another example of.non-contact force,29. Small pieces of paper moving while a charged balloon is passed over top is an example ofnon contact force.30. When electric current is passed through iron converting it into an electromagnet, it attracts iron and particlestowards it, thus, displayingnon contact force properties.

gravitational force, magnetic , electrostatic forces are field forces. they are acting between…

# 21-30 fill in the blank with one of the following: gravitational, magnetic, electrostatic cl to egy 1anW 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 non contact force. slog 25. Two magnets are placed close to each other is an example of example. non contact force 26. Free fall of a ball towards earth is an example of non contact force. 27. Leaves falling from a tree is an example of non-contact force. 28. Electromagnetism is another example of. non-contact force. 29. Small pieces of paper moving while a charged balloon is passed over top is an example of non contact force. 30. When electric current is passed through iron converting it into an electromagnet, it attracts iron and particles towards it, thus, displaying non contact force properties.

# 21-30 fill in the blank with one of the following: gravitational, magnetic, electrostatic cl to egy 1anW 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 non contact force. slog 25. Two magnets are placed close to each other is an example of example. non contact force 26. Free fall of a ball towards earth is an example of non contact force. 27. Leaves falling from a tree is an example of non-contact force. 28. Electromagnetism is another example of. non-contact force. 29. Small pieces of paper moving while a charged balloon is passed over top is an example of non contact force. 30. When electric current is passed through iron converting it into an electromagnet, it attracts iron and particles towards it, thus, displaying non contact force properties.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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