F=ma is a special Algebraic Expression  not quite a Mathematical Formula. It reads: Force is equal to Mass times Acceleration. Units: mass is in grams; acceleration is in meters
http://wiki.answers.com/Q/What_is_F_equals_ma

The coursework for an M.A. degree focuses more heavily on the humanities, such as psychology, sociology and history. Half of the coursework will also involve actual studies of the
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It is Newton's second law of motion. The acceleration a of a body is parallel and directly proportional
http://www.chacha.com/question/whatisf%3Dma

Since the force of friction opposes the direction of motion, the net force on the object is: Fnet = Fapplied − Friction. So its like
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