A mass $$\(m\)$$ is suspended in an elevator. In terms of the tension $$\(T\)$$ of the string and the weight of the mass, what is the upward acceleration of the elevator?
A.
\(T-m g\)
B.
\(m g-T\)
C.
\((T / m)+g\)
D.
\((T / m)-g\)
E.
\(g-T / m\)
Exam No：AP Physics C Practice Test Year：2024 Question No：15
Answer:
D
Knowledge points:
2.1 Newton’s Laws of Motion: First and Second Law
Solution:
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