Why are manhole covers round?

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pattycakechamp · 26-30, F Best Comment

Oddly enough, it's because of the way it was designed. A manhole cover cannot fall into it's hole, it's physically impossible at any angle (assuming no serious damage). Don't ask my why I know that.

plaguewatcher · M

@pattycakechamp is spot on @Victorian

plaguewatcher · M

@pattycakechamp Best Answer!

Shaveit · 61-69, M

@pattycakechamp I read that somewhere as well, can’t remember where. But that was spot on.

ozgirl512 · 26-30, F

@pattycakechamp yup...a great pub quizz question!