Definition: You are given a question on college medicine. You are also given 4 answer options (associated with "A", "B", "C", "D"), out of which only one is correct. You need to answer the question by selecting the correct option. You should only answer with the choice letter, not the whole answer.
Input: An object rests on a plane, with an angle of incline, ?, an acceleration due to gravity, g, and a coefficient of friction µ between the object and the plane. Which of the following gives the acceleration of the object?
(A)a = g sin ? (B)a = g (sin ? – cos ?) (C)a = g (cos ? – µ sin ?) (D)a = g (sin ? – µ cos ?)

D