A shoe is being dragged to the right at constant ... ...

    A shoe is being dragged to the right at constant velocity along a level floor by its string. The string is horizontal and bears a tension T in magnitude. The magnitude of the frictional force is F, the magnitude of the gravitational force is G, and the magnitude of the normal force is N. What can be definitely be concluded?
(A) T < F
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in 05. Planes and Circles