Typical professional hoop (left) with backboard (right)
Thebasket orhoop is a piece ofbasketball equipment, consisting of therim andnet. It hangs from thebackboard. The first basket was a peach basket installed byJames Naismith.[1] The bottom was eventually cut out of the basket, and the basket was eventually replaced with the metalrim and net.[2][3] Today there arebreakaway rims.
Afield goal is a shot that goes through the basket.
Arim,hoop, orbasket ring is a piece ofbasketball equipment in the form of a circular metal ring that supports thenet. It hangs from thebackboard. A professional rim has a diameter of the 18 inches (460 mm).[4] Aslam dunk requires one to jump high enough to get his hand above or over the rim.[5] Today there arebreakaway rims.
The vertical distance from the basketball court floor to the center of the rim allowed to be 3,050 ± 6 millimeters.[6][note 1]
The vertical distance from the center of the rim to the bottom of the suspended net allowed to be from 400 millimetres (16 in) to 450 millimetres (18 in).[6]
The vertical distance from the center of the rim to the bottom of the backboard allowed to be from 148 millimetres (5.8 in) to 150 millimetres (5.9 in).[6]
The vertical distance from the basketball rim to the backboard allowed to be 151 ± 2 millimeters.[7][note 2]
The thickness of the basketball ring's metal allowed to be from 16 millimetres (0.63 in) to 20 millimetres (0.79 in).[7]
The inner diameter of the basketball hoop allowed to be from 450 millimetres (18 in) to 459 millimetres (18.1 in).[7]
In theNBA, the rim is a metal ring with an interior diameter of exactly 18 inches (46 cm) that has pressure-release mechanism. It is painted orange. The rim's upper edge is positioned exactly 10 feet (3.0 m) from the floor and its closest part to the backboard has a distance of 6 inches (15 cm) from it.[8]
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