Inertial and Non-Inertial Reference Frames
Two students observe the motion of a pendulum. Student A uses Earth’s reference frame, while Student B uses a reference frame attached to an elevator accelerating upward. Which statement correctly describes the reference frames used by the students?
A
Both students are using inertial reference frames
B
Student B is using an inertial frame by default
C
Neither student is using an inertial reference frame
D
Student A is using an inertial frame by default
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