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:
“You do me wrong to take me out o’ th’ grave:
Thou art a soul in bliss, but I am bound
Upon a wheel of fire, that mine own tears
Do scald like molten lead.”
—William Shakespeare (1564–1616)
“Let the wheel spin out,
Till all created things
With shout and answering shout
Cast off rememberings....”
—Philip Larkin (1922–1986)
“But if you know that you are a man too, and that even such are those that rule, learn this first of all: that all human affairs are a wheel which, as it turns, does not allow the same men always to be fortunate.”
—Herodotus (c. 484–424 B.C.)