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Physics: Friction Force Across Various Surfaces

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In order to slide a heavy desk across the floor at constant speed, you have to exert a horizontal force of 500 newtons. Compare the 500-newton horizontal pushing force to the frictional force between the desk and the ground. Is the frictional force greater than, less than, or equal to 500 newtons? Explain.

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This solution assists in determining friction force across various surfaces.