Question

prepare a chart about reducing method of friction

Answer 1

application of powder (in case of carrom board)

lubrication

adding wheels to the bottom of an object

removal of treads

greasing

etc..

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Answer 2

1) We can use lubricants like oil and water...

2) We can use ball bearing s in machines where ever it is possible...

3) Friction can be reduced by changing the design of fast moving objects...

4) We can use fine powder like graphite to reduce friction...

NOTE: Friction can never be entirely eliminated...

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