http://www.stormcam.org/friction-windshield/
Is there a theory or principle of physics that …?
Is there a theory or principle of physics that describes how to decrease as raindrops fall in a windshield with respect to time and the friction of the surface? Either it is affected by external factors such as the angular direction of travel. In short, is there a theory or principle of physics (which has the formula too, if possible) which explains the lower volume of liquid that moves from an inclined surface friction with respect to time? Thank you
The volume does not decrease (Where would it go?) – It will be spread on a film or coating. The forces are internal forces – the viscosity and surface tension of rainwater – and these formulas are, in my humble opinion, brutal — tensor calculus. If you do not stolen anything or murdered anyone, so you should not be done to make the tensor calculus. The effects of the leak "cone" which gives the water drop it is characteristic form slamming into the mass of the drop immediately after the impact – well, now you're in the area of supercomputers. Even with a super-computer, you need to make many simplifications on the exact surface of the drop hits, uniform temperature water throughout the fall, turbulence within the drop as these things occur, the effects of wind on the windshield.
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