Question: A 78.6 lb object is sitting a flat level surface. If a 39.7 lb horizontal force is required to get the object to start to

A 78.6 lb object is sitting a flat level surface. If a 39.7 lb horizontal force is required to get the object to start to slide and a 25.0 lb horizontal force is required to keep the object moving at a constant speed, then what is the value of the coefficient of static friction between this object and the surface it is sitting upon?

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