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Sliding
Friction
Abstract
Friction provides reaction forces that are necessary for
the normal functioning of a bicycle, it is also a cause of energy loss in mechanical
systems. Measurements will be made of both the static and sliding friction
between a surface and a block loaded with various weights. Experience
indicates that the materials of the contact surfaces are important in determining
the magnitude of friction forces, and several different surfaces will
be tested under dry and wet interface conditions. Tangiental loads will be applied
to the block by inclining the test surface on which the block is placed
with respect to the horizontal. Blocks of different geometry will be examined
and the conditions required for sliding rather than tipping will be explored. |
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