Test Academy | Brakes of very small contact area are not used although friction is independent of area, because friction Resists motion, Causes wear and tear, Depends upon the nature of materials, Operating in this case is sliding friction

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Brakes of very small contact area are not used although friction is independent of area, because friction

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Resists motion
Causes wear and tear
Depends upon the nature of materials
Operating in this case is sliding friction

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