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When we calculate friction force in an inclined plane, the normal reaction N is taken as mg cos theta but when we calculate friction in banking of roads than mg is taken as Ncos theta where theta is angle of inclination. If Ncos theta is mg than R is more than mg, how it happens

When we calculate friction force in an inclined plane, the normal reaction N is taken as mg cos theta but when we calculate friction in banking of roads than mg is taken as Ncos theta where theta is angle of inclination. If Ncos theta is mg than R is more than mg, how it happens

Grade:12th Pass

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