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8 Cards in this Set
- Front
- Back
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Ball bearing |
a device used for reducing rolling friction by make an axle to move over metal balls. |
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Dynamic friction |
the force of friction acting between the surfaces of two bodies sliding upon one another. |
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Friction |
the opposing force called into play when 2 surfaces slide relative to one another. |
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Irregularities |
uneven projections on the surface of a body. |
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Lubricant |
a material which when applied between two surfaces in contact, reduces the force of friction. |
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Rolling friction |
friction experienced by a body when made to move over roller. |
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Static friction |
the force of friction called into play which does not allow two surfaces to slide upon one another. |
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Streamlining |
giving a special shape to a body such that fluid flowing past it offers a minimum amount of friction. |
