/u/Not_A_NoveltyAccount's posts in /r/askscience

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If a fly is hit by a train, do they feel the same force on each other? And what is that force?

728 upvotes

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Why exactly is it that I can "charge" an insulator (such as glass) even though electrons are supposed to not be free to move within it?

6 upvotes

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Simple question regarding Newton's 3 Laws: a fly is hit by a train...

1 upvotes

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If there is a block on top of another block with friction between them, on a frictionless surface, what are the forces involved?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If a fly is hit by a train, do they feel the same force on each other? And what is that force?	728
Why exactly is it that I can "charge" an insulator (such as glass) even though electrons are supposed to not be free to move within it?	6
Simple question regarding Newton's 3 Laws: a fly is hit by a train...	1
If there is a block on top of another block with friction between them, on a frictionless surface, what are the forces involved?	1