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If you have two identical screws and arrange them such that their threads touch each other.................What happens?

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If you have two identical screws and arrange them such that their threads touch each other with their heads facing away from each other.
Screw one screw and unscrew the other.
What happens?

posted Oct 16, 2019 by Nikita Sehgal

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+2 votes

It is quite easy to place four coins in such a way that each penny touches every other one. Just place three of them on the table in the form of a triangle so that they touch one another, and then lay the fourth coin on top of this triangle - as shown in the following figure on the far left.

five coins

Now add one more coin and try to do the same thing with five coin - again every coin has to touch every other.

+1 vote

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