spring: Quick Facts

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Photos

Torsion-bar spring

rear shock absorber

Diagram showing a longitudinal wave as a series of compressed and stretched coils with labeled points, and below it, a red curve representing the same wave as a transverse wave, aligning points vertically for comparison.

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leaf spring hydraulic spring spiral spring mechanical spring coil spring helical spring spring force air spring machine shaft coupling screw flywheel brake bearing clutch governor particle accelerator clock lubrication