Two weights sliding down sloping surface one with oil showing reduction in friction using lubrication.

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AI624

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Size: 5315px × 3288px
Location:
Photo credit: © Dorling Kindersley / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: energy, forces, friction, gravity, lubrication, oil, physics, reduction, science, sliding, sloping, surface, weights