Pay attention to Homer’s words: the inclined plane is usually BUT not always the line of flight.
misquoted!!!
KOC- he was talking about the BASE LINE of the incline plane- not the incline plane's angle. Where it is attached to the ground which is usually but not always the line of flight. You can have the base line open or closed to the line of flight. The incline plane is always FLAT and extends in every direction.
go to the quote and add three words to the beginning.
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