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onClick="window.external.AddFavorite(location.href,document.title)">æˆ‘è¦æ”¶è—</a></span></p> <div>æœç‹è§†é¢‘æŒç»­æ‰“造知识直播平å?/div><div>                 æ¥æºï¼šä¸­å›½ç»æµŽæ–°é—»ç½‘</div><div>如何计算水中物体的浮力?《张æœé˜³çš„物ç†è¯¾ã€‹ä»‹ç»æµä½“力学基本原ç?/div><div>     <span style="background-color: rgb(246, 246, 246); font-family: Tahoma, SimSun, sans-serif; font-size: 14px;">怎么计算æµä½“的压强?为什么船能够漂浮在水é¢ä¸Šï¼Ÿä¸ºä»€ä¹ˆæµé€Ÿå¤§çš„地方,压强相对更å°ï¼?12æœ?æ—?2时,《张æœé˜³çš„物ç†è¯¾ã€‹ç¬¬ä¸€ç™¾é›¶å…­æœŸå¼€æ’­ï¼Œæœç‹åˆ›å§‹äººã€è‘£äº‹å±€ä¸»å¸­å…¼CEOå¼ æœé˜³å镇æœç‹è§†é¢‘ç›´æ’­é—´ï¼Œå…ˆä»Žé™æ­¢çš„ä¸å¯åŽ‹ç¼©ç†æƒ³æµä½“出å‘,引出æµä½“的压强概念,介ç»å¹¶åˆ†æžäº†å¸•æ–¯å¡åŽŸç†ï¼ŒæŽ¥ç€é€šè¿‡å—力平衡推导é‡åŠ›åœºä¸‹çš„é™æ­¢æµä½“压强公å¼ï¼Œä»‹ç»é˜¿åŸºç±³å¾·æµ®åŠ›å®šå¾‹ã€‚éšåŽï¼Œå¼ æœé˜³ä»‹ç»ç¨³æ’æµåŠ¨çŠ¶æ€ä¸‹çš„æµä½“æ€§è´¨ï¼ŒæŽ¨å¯¼äº†è¿žç»­æ€§æ–¹ç¨‹ä»¥åŠä¼¯åŠªåˆ©æ–¹ç¨‹ï¼Œå¹¶ç®€è¦åˆ†æžä¸ºä»€ä¹ˆåœ¨æµé€Ÿå¤§çš„地方,压强相对较å°ã€?/span></div><p style="font-family: Tahoma, SimSun, sans-serif; font-size: 14px; background-color: rgb(246, 246, 246); text-align: center;"><img title="å¼ æœé˜?11" zcmsimagerela="3288432" src="https://www.cet.com.cn/upload/Image/2022/12/05/xwtp/1_32884326894.png" alt="å¼ æœé˜?11" width="500" height="775" border="0" style="border: 0px none; margin: 5px;"></p><br style="font-family: Tahoma, SimSun, sans-serif; font-size: 14px; background-color: rgb(246, 246, 246);"><span style="font-family: Tahoma, SimSun, sans-serif; font-size: 14px; background-color: rgb(246, 246, 246);">  课程一开始,张æœé˜³é˜è¿°äº†æµä½“力学的é‡è¦æ€§ï¼Œä»‹ç»æµä½“的压强概念以åŠä¸å¯åŽ‹ç¼©æµä½“的帕斯å¡åŽŸç†ï¼Œå¹¶é€šè¿‡å¸•æ–¯å¡åŽŸç†è¯´æ˜Žæµä½“å¯ç”¨äºŽåŠ›çš„æ”¾å¤§ä¸Žç¼©å°ï¼Œå¹¶ä¸”è¿™ç§åŠ›çš„ç¼©æ”¾æ•ˆåº”ä¸è¿èƒŒèƒ½é‡å®ˆæ’定律。éšåŽï¼Œé€šè¿‡å—åŠ›åˆ†æžæŽ¨å¯¼é™æµä½“的压强公å¼ï¼ŒåŒæ—¶å¾—到阿基米德浮力定律ã€?/span><br style="font-family: Tahoma, SimSun, sans-serif; font-size: 14px; background-color: rgb(246, 246, 246);"><br style="font-family: Tahoma, SimSun, sans-serif; font-size: 14px; background-color: rgb(246, 246, 246);"><span style="font-family: Tahoma, SimSun, sans-serif; font-size: 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