The front brake pads on your car wear out faster than the


The front brake pads on your car wear out faster than the rear brake pads; in fact, some cars are specially designed with large front brake pads because of this. This results from the fact that when a car is breaking the magnitude of the friction force acting on the front wheels of the car is larger than the magnitude of the friction force acting on the rear wheels of the car. Think a car that has a mass of 1500 kg that is decelerating (by using the brakes) at a rate of 0.25 g. The distance among the front and rear axles is 2.8 m and the center of mass of the car is directly among the two axles at a height of 0.6 m above the ground. What is the ratio of the force of friction acting on the front tires to the force of friction acting on the rear tires? Suppose that the coefficients of friction among the tires and the road are the same for all tires and, for simplicity, suppose that the car is skidding as it decelerates.

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Physics: The front brake pads on your car wear out faster than the
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