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PHYSICS
Asked by Kacey

Work has to be done against frictional forced acting on the wheels of the suitcase. Explain the effect this has on the temperature of the suitcase?

On a frictionless surface all the work applied in dragging the suitcase goes into moving it by increasing its kinetic energy. For a surface with friction some work/energy is lost. It does not go into increasing the kinetic energy but this energy will work against the friction. This lost energy will manifest as heat energy meaning the temperature of the surface of the suitcase will go up.

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