See, what happens is, if the car has the best brake possible, and if the driver applies them as hard as possible, the wheel will stop rotating, and the car will simply skid on the floor. This is the case taken into consideration while solving this sum. It is not possible to apply brakes harder than this. If the brakes are applied lightly, then the wheels will also rotate while going down the inclined plane, thus friction will decrease, thus the speed will be greater.
Moderation Team
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