The study suggests that cow-tipping is very difficult, if not physically impossible, for the majority of attempts.
I now feel vindicated, as I personally researched this subject in one occasion in the late 80's (Grumpy, I., et al. "Why the hell is it still standing?", Journal of Inebriated Nights Spent at a Camp in the Middle of Fucking Nowhere, 1988), with similar results.
Boffins debunk cow-tipping myth
Not possible, even when drunk
By Lester Haines
9th November 2005
Two scientists at the University of British Columbia have rather disagreeably debunked the myth that you can - when suitably refreshed after a night on the sauce - stagger into a field and tip over a sleeping cow.
According to the Times, Margo Lillie, a doctor of zoology, and her student Tracy Boechler did a few calculations pertaining to bovine bothering and concluded that it would in fact take five sozzled pranksters to tip a cow.
More specifically, "a cow of 1.45 metres in height pushed at an angle of 23.4 degrees relative to the ground would require 2,910 Newtons of force, equivalent to 4.43 people," according to Boechler.
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