å¨å¼¹æ§é度å
ï¼å¼¹ç°§çå¼¹åå弹簧çå½¢åé(伸é¿æå缩å¼)ææ£æ¯ãåä½ï¼
F=k·x
å
¶ä¸ï¼âFâï¼è¡¨ç¤ºå¼¹ç°§çå¼¹åï¼å¼¹åæ¯å¼¹ç°§åçå½¢åæ¶å¯¹æ½åç©çä½ç¨åã
âxâï¼æ¯å¼¹ç°§ä¼¸é¿æ缩ççé¿åº¦ï¼æ³¨æâxâæ¯ä»¥å¼¹ç°§æ å½¢åæ¶çé¿åº¦ä¸ºåºåï¼å³x=x'-x0æx=x0-x'ã
âkâï¼å«å¼¹ç°§çå²åº¦ç³»æ°ï¼å®æè¿°åä½å½¢åéæ¶æ产çå¼¹åç大å°ï¼kå¼å¤§ï¼è¯´æå½¢ååä½é¿æ¶éè¦çå大ï¼æè
说弹簧â硬âãkè·å¼¹ç°§ææãé¿çãç²ç»çé½æå
³ç³»ãkçå½é
åä½æ¯çï¼ç±³ã
å¦æå°å 个åæ ·ç弹簧串èæ并èèµ·æ¥åï¼è¿ä¸ªæ°ç弹簧çå²åº¦ç³»æ°ä¸åæ¯åæ¥çå²åº¦ç³»æ°ã设两个å²åº¦ç³»æ°é½æ¯kç弹簧串èåçå²åº¦ç³»æ°ä¸ºk1ï¼åæF=k1·xï¼ç±äºaç¹çå¼¹åä¹ä¸ºFï¼æ以对弹簧1å¯å两个å²åº¦ç³»æ°é½æ¯kåé¿ç¸åç弹簧并èæ¶çå²åº¦ç³»æ°ä¸ºk2ï¼åæ
F=k2·x
æ°åå°ï¼å¹¶èåçå大ã
温馨提示:答案为网友推荐,仅供参考