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Friction - Coggle Diagram
Friction
Advantages
Walking
Movement of vehicals
Working of brakes
Writing
Holding
Lighting a mtchstick
Minimised by
Polishing
Lubricating
Streamlining
Using wheels and ball bearings
Disadvantages
WAstage of energy
Wearing out of surfaces
Generation of heat
Increased by
Making the surface rough
Making groves
Providing spikes in shoes
Nature of surface
Mass of body