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Do you actually think that no one would have tried this before? They don't use anything unusual, just normal trainers, it is FAKE and impossible unless you are a NINJA!!!!
 
The one with the ArtiK trucks? where they have extra wide and specially designed tyres?

do you think a bog standard Morris Minor would be able to skim water?

It could, depending on the angle of impact and the speed. It's the same principle as skimming a flat stone over water. If you have enough speed, a shallow enough angle, a large enough surface area and little in the way of protusions, you can skim the thing over water.

A bog standard Morris Minor with a rocket stuck on it, maybe. I think you'd need a lot more speed than the standard engine could give it. You could probably do it with some cars without modifications.

Mythbusters skimmed a car over 100 feet of water in one of the "movie myths" episodes.
 
The surface area of an average pair of shoes is something like 0.026 m^2,

pressure = force / area

force = 9.81N/kg * 70kg = 686.7N

pressure = 686.7N / 0.026 m^2 = 26,411 Pa

Waters surface tension is 0.0742 N/m.

It's never going to work...
 
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