Wheel
A wheel is a circular component that is intended to rotate on an axial bearing. The wheel is one of the main components of the wheel and axle which is one of the six simple machines. Wheels, in conjunction with axles, allow heavy objects to be moved easily facilitating movement or transportation while supporting a load, or performing labor in machines. Wheels are also used for other purposes, such as a ship's wheel, steering wheel, potter's wheel and flywheel.
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Famous quotes containing the word wheel:
“The wheel and the brake have different duties, but also one in common: to hurt one another.”
—Friedrich Nietzsche (1844–1900)
“Of the wheel as it rolls unrelentingly over
A cow plodding through car-traffic on a street in Iasi,
And over the haunts of Robert Pinsky’s mother and father
And wife and children and his sweet self”
—Robert Pinsky (b. 1940)
“Let go thy hold when a great wheel runs down a hill lest it break thy neck with following; but the great one that goes upward, let him draw thee after.”
—William Shakespeare (1564–1616)