Boxes of several sizes rest on a frozen pond, which serves as a frictionless horizontal surface. A) If a fisherman applies a force with magnitude 26 N to a box and produces an acceleration of 8.5 m/s2 , what is the mass of the box? B) What magnitude of force is required to give a 500 kg box an acceleration of 1.6 m/s2 ? C) If a force with magnitude 58 N is applied to a box with mass 120 kg, what acceleration is produced?

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