반응형 항공기 작용 힘1 항공기에 작용하는 4가지 힘 The airplane in straight-and-level unaccelerated flight is acted on by four forces. The four forces are lift, gravity, thrust and drag. The airplane in straight-and-level unaccelerated flight is acted on by four forces-- lift,the upward acting force; weight, or gravity,the downward acting force; thrust,the forward acting force; and drag, the backward acting, or retarding force of wind resistance.. AVIATION/항공기 2011. 2. 22. 더보기 ›› 반응형 이전 1 다음
