[Answer] Which surface most likely has the least friction? Pressure 8

Answer: a water slide
Which surface most likely has the least friction? Pressure 8

Friction is the force resisting the relative motion of solid surfaces fluid layers and material elements sliding against each other. There are several types of friction : Dry friction is a force that opposes the relative lateral motion of two solid surfaces in contact. Dry friction is subdivided into static friction (“stiction”) between non-moving surfaces and kinetic friction between …

In fluid flow friction loss (or skin friction ) is the loss of pressure or “head” that occurs in pipe or duct flow due to the effect of the fluid’s viscosity near the surface of the pipe or duct. In mechanical systems such as internal combustion engines the term refers to the power lost in overcoming the friction between two moving surfaces a different phenomenon.

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In fluid dynamics drag (sometimes called air resistance a type of friction or fluid resistance another type of friction or fluid friction ) is a force acting opposite to the relative motion of any object moving with respect to a surrounding fluid. This can exist between two fluid layers (or surfaces) or a fluid and a solid surface . Unlike other resistive forces such as dry friction …

Radiation pressure is the mechanical pressure exerted upon any surface due to the exchange of momentum between the object and the electromagnetic field.This includes the momentum of light or electromagnetic radiation of any wavelength which is absorbed reflected or otherwise emitted (e.g. black-body radiation) by matter on any scale (from macroscopic objects to dust …

Oil well control is the management of the dangerous effects caused by the unexpected release of formation fluid such as natural gas and/or crude oil upon surface equipment of oil or gas drilling rigs and escaping into the atmosphere. Technically oil well control involves preventing the formation gas or fluid (…

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