white is the cue ball in pool.
what color is the cue ball in pool?
white
in wpa blackball and its predecessor wepf or "english eight-ball pool" (not to be confused with the games of eight-ball or english billiards), fifteen object balls again are used, but fall into two unnumbered , the (or less commonly ) and , with a white cue ball, and black 8 ball. aside from the 8, shots are not since there is no reliable way to identify particular balls to be pocketed. because they are unnumbered they are wholly unsuited to certain pool games, such as nine-ball, in which ball order is important. they are noticeably smaller than the american-style balls, and with a cue ball that is slightly smaller than the object balls, while the table's are tighter to compensate. neither the wpa nor the wepf (publicly) define ball or even table dimensions, though presumably league and tournament organizers are given some guidelines in this regard. most manufacturers that supply this market provide sets that range from up to , often with a slightly smaller cue ball, e.g. for a 2-inch set. the most common object ball diameters are and . the yellow-and-red sets are sometimes commercially referred to as "casino sets" (they were formerly used for televised eight-ball championships, most often held in casinos). the use of such sets, however, predates television, as they were used for b.b.c. co. pool, the forerunner of modern eight-ball, at least as early as 1908.
billiard ball
in more detail, deflection occurs when the cue tip strikes the cue ball right or left of the vertical axis. when the cue tip strikes the cue ball off the vertical axis, the cue ball will deviate from what would seem to be the obvious path once the cue tip strikes the cue ball. the reason this occurs and how much the ball deviates from what seems like the obvious path is dependent on many factors that the player must be aware of to properly adjust the line of aim while using side-spin . the most impactful of factors is the front-end weight of the cue stick. what is actually causing the squirt to occur is the off-center hit on a spherical object from a linear source of energy. as the energy of the cue stick is imparted to the cue ball from the tip of the cue stick, it is actually making contact with an angled surface when the cue ball is struck off-center. the more off-center the hit, the more angle the cue tip encounters. as a result, when the tip strikes the cue ball, it imparts forward energy and a degree of energy directed left or right. – a nudging-to-the-side effect. the left or right energy serves to push the cueball off the line just a little bit while most of the energy is distributed forward. a cue stick with less front end mass will naturally serve to minimize the left or right energy imparted on the cue ball thus reducing the amount of squirt realized on the shot. to really dig into the physics behind why squirt takes place, students from the university of colorado's physics department wrote a detailed paper explaining the math behind what is taking place (physics behind squirt).
cue sports techniques