Which example would most likely decrease friction?

using cleats, rather than gym shoes, on a field

using shaving cream, rather than shaving on dry skin

using a wide parachute, rather than a narrow parachute, when skydiving

using sandpaper, rather than regular paper, on wood

At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid

What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th

As the distance from a magnet increases, what happens to the magnet force?