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A car of mass 800 kg , moving at 54 km/hr is brought to rest over a distance of 15 m. Find the retarding force developed by the brakes of the car. * |
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Answer» Mass of a car = 800 kg.Speed of a car = 54 km/hr. Distance = 15 m. TO FIND : The retardation FORCE DEVELOPED by the brakes of the car = ? FORMULA : TO FIND : Given that,m = 800 kg.u = 54 km/hr. v = 0. By using the third equation of MOTION, We know that, The retardation force developed by the brakes is -6000 N. |
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