سوال ۳۰ کنکور ارشد مهندسی مکانیک ۱۴۰۰

PART C: Reading Comprehension

PASSAGE 3 — Summary (not a verbatim transcription):

The passage presents Earth's rotation as one of the environmental factors involved in wind formation. Within a turbine, airflow creates aerodynamic forces that turn its blades and rotor, and this motion then drives a generator. A fan is discussed separately as a device that uses electricity to create airflow.

Which of the following precedes the rest in the cycle of wind turbines?