Given the equation 
, which answer provides the best description of a possible physical situation?
A. A 3.00-kg mass is suspended from the ceiling.
B. A 2.00-kg mass hanging over a pulley drags a 3.00-kg mass along a frictionless horizontal surface.
C. A 3.00-kg mass hanging over a pulley drags a 2.00-kg mass along a frictionless horizontal surface.
D. A 3.00-kg mass hanging over a pulley drags a 5.00-kg mass along a frictionless horizontal surface.
E. A 5.00-kg mass hanging over a pulley drags a 3.00-kg mass along a frictionless horizontal surface.
Answer: C
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