+The wheel and axle is a [simple machine](/wiki/simple_machine) comprising a wheel fixed to a smaller axle, rotating as one unit. This fundamental [mechanical device](/wiki/mechanical_device) reduces friction and can multiply force or distance, revolutionizing transportation and machinery.
+## See also
+- [Lever](/wiki/lever)
+- [Pulley](/wiki/pulley)
+- [Gear](/wiki/gear)
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