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Microsoft and Burger King came to the conclusion that the covers are round after a year long study. At the end of this study they concluded that, logically, man hole covers must be round, otherwise the fat people that use their products would fall in, and thus would cause their profits to drop considerabliy.
Wiki User
∙ 14y ago
Wiki User
∙ 15y agoIt's so it never falls in the hole. The radius of the manhole cover is greater than the radius of the manhole. Therefore, it can never fall in. Any other shape (square, triangle, decagon, etc.) can fall in if manuvered to the correct angle. It's so it never falls in the hole. The radius of the manhole cover is greater than the radius of the manhole. Therefore, it can never fall in. Any other shape (square, triangle, decagon, etc.) can fall in if manuvered to the correct angle.
Wiki User
∙ 12y agoA manhole cover is circular so that one person can roll it away from the hole it covers without running the risk of it falling into the hole.
Wiki User
∙ 13y agoBecause they didn't think it was appropriate to call them woman holes!
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What is the structure of the plasmids?
A plasmid is a double stranded circular DNA
Motion is a type of motion that exists in circles or curves?
Circular Motion
What is the difference between a circular and savingram?
No
Applications of Circular convolution?
for finding convolution of periodic signals we use circular convolution
Why do you get circular fringes in fabry perot experiment?
In michelson interferometer the mirros are perpendicular and because of our eye viewed direction and angle theta the fringes are circular
What are manhole covers used for?
Manhole covers are used for many things. Manhole covers are used to cover up holes in the ground where sewage can be found in order to protect people.
Why are manhole covers not rectangular?
If they were rectangular they could fall down the manhole.
Can you get see through manhole covers?
Get a crow bar and you can easily lift it out. Then you can do whatever you want in the manhole. Also manhole covers scrap at a junk yard for about 10 bucks.
How do you spell manhole covers?
"Manhole covers" are simply spelled "manhole covers". The reason most of them are perfectly round is that a round cover cannot slip down into a hole that is even just slightly smaller than the cover (as can oblongs or squares).
Where are manhole covers made?
Neenah, Wisconsin
Why manhole covers are generaly round?
A circular cover is the only shape that can fit the hole no matter which way you drop it, but can't possibly fall through the hole no matter which way you drop it.
What metal is used to make manhole covers?
steel
Why are man hole covers round?
Round manhole covers are generally used over square manholes because they cannot fall through the manhole openings. There is a chance that if square manhole covers are used they can be turned at an angle and fall through the manhole opening. Round manhole covers can be moved more easily as well.
Why are manhole covers in the us round instead of square?
The round manhole cannot fall into the hole no matter which way you turn it.
Why is it eaisier for manhole covers to be round?
1) That way, they can easily be moved, by rolling them. 2) They can't accidentally fall into the manhole.
Could manhole covers be made of strong plastic?
yes
What are those hole covers called that are in the middle of roads?
They are called man holes, or manhole covers.
