<![CDATA[
<div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/d7C8/01374b2958cb852085801c646f2ccc88e428d674" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/d7C8/01374b2958cb852085801c646f2ccc88e428d674" data-origin-width="1080" data-origin-height="1920"><div class="figcaption">축력 fd=-p/2(cos●+sin●)에서 왜 부호가 - 인지 모르겠어요;;</div></div>
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첫댓글 D점 왼쪽을 선택했을때 축력은
보라색 두개 보셔야합니다!!