Newton's Laws - Mission NL4 Detailed Help

For the following physical situation, identify the forces that are exerted upon the object.
A dog is being slowly pulled by his dog chain across the ground at a constant speed. (Neglect air resistance.)

Often times, success in physics demands that you have the proper approach - a good game plan. When determining which types of forces act upon an object in a given situation, proceed through the list of forces and ask: Is this force present on the object? 
Answering this question demands that you understand each type of force. If necessary, use the link in the Hot Link section below to navigate to a web page that describes each force on the list of force types.


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