Question

Design and conduct experiments to test few ways how fricition may be reduced​

Answer 1

Answer:

Friction can be reduced in number ways: ---> By applying Lubricants like Oil, Grease, Graphite powder etc. ---> By Polishing the surfaces which makes its surface smoother . ... ---> By attaching rollers , sliding friction reduces to Rolling friction.

Explanation:

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Answer 2

Answer:

friction is a force that resists one surface from sliding or rolling over another. Therefore, it can be said that friction only occurs when two surfaces are in relative motion.

Reducing Friction

There are several ways to reduce friction:

1. The use of bearing surfaces that are themselves sacrificial, such as low shear materials, of which lead/copper journal bearings are an example.
2. Replace sliding friction with rolling element friction, such as with the use of rolling element bearings.
3. Improve overall lubrication either by changing viscosity, using differing or improved additives or through the use of different lubricants themselves, i.e., synthetics, solids, etc.