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## Main Question or Discussion Point

For example from one of my textbooks

Unlike SI units where forces are always measured in N and mass in kg.

So the car has a mass of 3000lb, but then they measure the force applied also in pounds.A 3000-lb automobile is being driven down a 5° incline at a speed

of 50 mi/h when the brakes are applied, causing a total braking force

of 1200 lb to be applied to the automobile. Determine the distance

traveled by the automobile before it comes to a stop.

Unlike SI units where forces are always measured in N and mass in kg.