伽利略从同样的高度扔不同大小的铁球为什么同时落地 两个不同重的铁球为什么会同时着地
\u4e3a\u4ec0\u4e482\u4e2a\u4e0d\u540c\u91cd\u91cf\u4e0d\u540c\u5927\u5c0f\u7684\u94c1\u7403\u4ece\u540c\u4e00\u9ad8\u5ea6\u629b\u4e0b\u4f1a\u540c\u65f6\u843d\u5730\u5c06\u4e24\u4e2a\u94c1\u7403\u4ece\u4e0d\u540c\u7684\u659c\u5761\u653e\u4e0b\uff0c\u7ed3\u679c\u5374\u540c\u65f6\u843d\u5730\uff0c\u8fd9\u662f\u4ec0\u4e48\u539f\u7406\uff1f
\u8bf7\u95ee\u4f3d\u5229\u7565\u3002\u662f\u4ed6\u641e\u7684\u9b3c\u3002
\u4f3d\u5229\u7565\u7684\u81ea\u7531\u843d\u4f53\u5b9e\u9a8c
\u4f20\u8bf41590\u5e74\uff0c\u51fa\u751f\u5728\u6bd4\u8428\u57ce\u7684\u610f\u5927\u5229\u7269\u7406
\u5b66\u5bb6\u4f3d\u5229\u7565\uff0c\u66fe\u5728\u6bd4\u8428\u659c\u5854\u4e0a\u505a\u81ea\u7531\u843d\u4f53\u5b9e\u9a8c\uff0c\u5c06\u4e24\u4e2a\u91cd\u91cf\u4e0d\u540c\u7684\u7403\u4f53\u4ece\u76f8\u540c\u7684\u9ad8\u5ea6\u540c\u65f6\u6254\u4e0b\uff0c\u7ed3\u679c\u4e24\u4e2a\u94c5\u7403\u51e0\u4e4e\u540c\u65f6\u843d\u5730\uff0c\u7531\u6b64\u53d1\u73b0\u4e86\u81ea\u7531\u843d\u4f53\u5b9a\u5f8b\uff0c\u63a8\u7ffb\u4e86\u6b64\u524d\u4e9a\u91cc\u58eb\u591a\u5fb7\u8ba4\u4e3a\u7684\u91cd\u7684\u7269\u4f53\u4f1a\u5148\u5230\u8fbe\u5730\u9762\uff0c\u843d\u4f53\u7684\u901f\u5ea6\u540c\u5b83\u7684\u8d28\u91cf\u6210\u6b63\u6bd4\u7684\u89c2\u70b9\u3002
\u4f46\u662f\uff0c\u4f3d\u5229\u7565\u7684\u4e24\u4e2a\u7403\u4f53\u5e76\u975e\u50cf\u4f20\u8bf4\u4e2d\u7684\u4e00\u6837\u4e00\u8d77\u843d\u4e0b\uff0c\u5373\u4f7f\u91cd\u529b\u52a0\u901f\u5ea6\u4e0d\u53d8\uff0c\u4e24\u4e2a\u7403\u4f53\u53d7\u5230\u7a7a\u6c14\u963b\u529b\u5f71\u54cd\uff0c\u662f\u4e0d\u4f1a\u4e00\u8d77\u843d\u4e0b\u7684\u3002\u8fd9\u4e5f\u5c31\u662f\u4e3a\u4ec0\u4e48\u9e45\u6bdb\u548c\u94c5\u7403\u4e0d\u4f1a\u4e00\u8d77\u964d\u843d\u7684\u539f\u56e0\u3002\u7531\u4e8e\u53d7\u5230\u7a7a\u6c14\u963b\u529b\uff0c\u4e24\u4e2a\u7403\u4f53\u4e0d\u80fd\u770b\u4f5c\u81ea\u7531\u843d\u4f53\u3002\u4f46\u662f\u4f3d\u5229\u7565\u7684\u5b9e\u9a8c\u7406\u8bba\u662f\u6b63\u786e\u7684\uff0c\u5728\u771f\u7a7a\u4e2d\uff0c\u65e0\u8bba\u591a\u91cd\u7684\u7269\u4f53\uff0c\u90fd\u9075\u5faa\u81ea\u7531\u843d\u4f53\u5b9a\u5f8b\u3002
\u4f3d\u5229\u7565\u5728\u6bd4\u8428\u659c\u5854\u505a\u81ea\u7531\u843d\u4f53\u5b9e\u9a8c\u7684\u6545\u4e8b\uff0c\u8bb0\u8f7d\u5728\u4ed6\u7684\u5b66\u751f\u7ef4\u7ef4\u5b89\u5c3c\uff08Vincenzo Viviani\uff0c1622\u5e74\u20141703\u5e74\uff09\u57281654\u5e74\u5199\u7684\u300a\u4f3d\u5229\u7565\u751f\u5e73\u7684\u5386\u53f2\u6545\u4e8b\u300b\uff081717\u5e74\u51fa\u7248\uff09\u4e00\u4e66\u4e2d\uff0c\u4f46\u4f3d\u5229\u7565\u3001\u6bd4\u8428\u5927\u5b66\u548c\u540c\u65f6\u4ee3\u7684\u5176\u4ed6\u4eba\u90fd\u6ca1\u6709\u5173\u4e8e\u8fd9\u6b21\u5b9e\u9a8c\u7684\u7684\u8bb0\u8f7d\u3002\u5bf9\u4e8e\u4f3d\u5229\u7565\u662f\u5426\u5728\u6bd4\u8428\u659c\u5854\u505a\u8fc7\u81ea\u7531\u843d\u4f53\u5b9e\u9a8c\uff0c\u5386\u53f2\u4e0a\u4e00\u76f4\u5b58\u5728\u7740\u652f\u6301\u548c\u53cd\u5bf9\u4e24\u79cd\u4e0d\u540c\u7684\u770b\u6cd5\u3002
\u53e6\u636e\u8bb0\u8f7d\uff0c1612\u5e74\u6709\u4e00\u4e2a\u4eba\u5728\u6bd4\u8428\u659c\u5854\u4e0a\u505a\u8fc7\u8fd9\u6837\u7684\u5b9e\u9a8c\uff0c\u4f46\u4ed6\u662f\u4e3a\u4e86\u53cd\u9a73\u4f3d\u5229\u7565\u800c\u4f5c\u8fd9\u4e2a\u5b9e\u9a8c\u7684\uff0c\u7ed3\u679c\u662f\u4e24\u7403\u5e76\u6ca1\u6709\u540c\u65f6\u5230\u8fbe\u5730\u9762\u3002
1590年伽利略在比萨斜塔上做了“两个铁球同时落地”的实验
绛旓細17涓栫邯鐨勬煇涓澶╋紝钁楀悕鐨勫ぉ鏂囧瀹跺拰鐗╃悊瀛﹀浼藉埄鐣鐖笂浜嗘瘮钀ㄦ枩濉旂殑椤剁锛屾姇涓嬩簡涓ら涓嶅悓澶у皬鐨鐗╀綋銆備粬璇曞浘璇佹槑浠栫殑鐞嗚锛氫袱涓噸閲忎笉鍚岀殑鐗╀綋灏嗕互鍚屾牱鐨閫熷害涓嬭惤锛屽悓鏃跺埌杈惧湴闈傝繖灏辨槸钁楀悕鐨勮嚜鐢辫惤浣撳疄楠屻傚悗鏉ラ樋灏斾集鐗孤风埍鍥犳柉鍧﹀浠栫殑鐩稿璁鸿繘琛屼簡鏇存柊鍜岃ˉ鍏咃細鐗╀綋鏃犺澶у皬閮戒互鐩稿悓鐨閫熷害涓嬭惤銆...
绛旓細闄嶈惤浼炲氨鏄埄鐢ㄥ鍔犱綋绉鍔犲彈闃绘埅闈㈢Н锛屼粠鑰屽鍔犵┖姘旈樆鍔涗娇鐗╀綋缂撴參闄嶈惤鐨勩傝屽湪涓や釜鐗╀綋鐨勪綋绉舰鐘鐩稿悓锛岃川閲澶у皬涓嶅悓鐨鎯呭喌涓嬶紝鍚屾椂浠庨珮澶勮惤涓嬶紝鍒欎袱鐗╀綋鍚屾椂钀藉湴銆備负姝わ紝鐜颁唬鐗╃悊瀛︿箣鐖舵剰澶у埄钁楀悕鐗╃悊瀛﹀浼藉埄鐣锛1564鈥1642锛夛紝鏇惧仛杩囧娆″疄楠岋紝璇佸疄涓嶅悓閲嶉噺鐞冧綋鑷敱钀戒笅锛屽畠浠悓鏃剁潃鍦扮殑瀹為獙銆傛嵁銆...
绛旓細浣嗚繖鏄笉澶彲鑳藉瓨鍦ㄧ殑锛涓嶅悓閲嶉噺鐨勭墿浣撳彧鏈夊湪鐪熺┖鏉′欢涓嬫墠鍙兘鍚屾椂钀藉湴锛屽綋缇庡浗瀹囪埅鍛樺ぇ鍗锋柉绉戠壒鐧绘湀鍚庢浘灏濊瘯浜鍚屼竴楂樺害鍚屾椂鎵斾笅涓鏍圭窘姣涘拰涓鎶婇搧姒斿ご锛屽苟鍙戠幇瀹冧滑鍚屾椂钀藉湴锛岃繖鎵嶈瘉鏄庝簡鑷敱钀戒綋瀹氬緥鐨勬纭с浼藉埄鐣 浼藉埄鐣ヂ蜂冀鍒╅浄锛屾剰澶у埄鐗╃悊瀛﹀銆佹暟瀛﹀銆佸ぉ鏂囧瀹跺強鍝插瀹讹紝绉戝闈╁懡涓殑閲嶈浜虹墿銆傚叾...
绛旓細鍥犳鐗╀綋灏嗗仛鑷敱钀戒綋杩愬姩銆傜墿浣撹嚜鐢变笅钀藉彈鍒扮殑鍚堝鍔涗粛鐒朵负锛欶鍚 = F銆備粠涓婇潰鎺ㄥ鍑烘潵鐨勭墿浣撻噸鍔涘姞閫熷害鐨勫叕寮忎腑鍙互鐪嬪嚭锛屽湪鍦伴潰涓婄┖鍚屼竴楂樺害鐨涓や釜鐗╀綋锛屼笉绠$墿浣撶殑璐ㄩ噺銆澶у皬銆佺粨鏋勩佸瘑搴﹀浣曪紝瀹冧滑鑾峰緱鐨勯噸鍔涘姞閫熷害閮芥槸瀹屽叏鐩稿悓鐨勶紝浠ヨ嚦浜庡湪鍒濋熷害鐩稿悓锛岄珮搴︾浉鍚岀殑鍩虹涓婂彲浠ュ悓鏃惰惤鍦般
绛旓細浼藉埄鐣杩樻湁鏇存儕浜虹殑缁撹 浼藉埄鐣ヤ簬1564骞寸敓浜庢剰澶у埄鍩庡競姣旇惃锛1642骞存浜庝經缃椾鸡钀ㄩ儕澶栵紝涓栦汉涓鐩村皢鍏惰涓轰笘鐣屼笂绗竴浣嶇幇浠g瀛﹀銆傚湪浠栬繘琛岀殑閲嶅姏鐮旂┒棰嗗煙锛屼冀鍒╃暐浣滀簡澶ч噺瀹為獙锛岄氳繃杩欎簺瀹為獙浠栨祴閲忎簡鐗╀綋浠庝笉鍚岄珮搴涓嬭惤鎵闇瑕佺殑涓嶅悓鏃堕棿锛屼粬瑙傚療鍒帮紝鏃堕棿瓒婇暱锛岀墿浣撲笅钀界殑璺濈灏辫秺澶с備冀鍒╃暐杩樺湪缁忚繃璇︾粏绮剧‘鐨...
绛旓細濡傛灉鏄鍚屾牱鐨閲嶉噺,閭h偗瀹氭槸鍚屾椂钀藉湴鍣!
绛旓細鍙互鐢ㄥ亣璁炬硶璇佹槑 1锛夊亣璁捐川閲忓ぇ鐨勭墿浣揗姣旇川閲忓皬鐨勭墿浣搈涓嬭惤蹇紝鐢ㄤ笉璁¤川閲忕殑缁虫妸涓や釜鐗╀綋杩炴帴璧锋潵 a锛屽洜涓鸿繛鎺ヨ捣鏉ヨ川閲忔垚浜哅+m锛屾瘮M澶э紝鍥犳姣擬涓嬭惤鏇村揩 b锛屽洜涓篗涓嬭惤蹇紝m涓嬭惤鎱紝m浼氭嫋M鐨勫悗閫锛屼竴璧蜂笅钀界殑閫熷害姣擬鎱 杩欐牱寰楀埌鐩镐簰鐭涚浘鐨勪袱涓粨鏋滐紝鍋囪鏄笉鎴愮珛鐨 2锛夌敤鍚屾牱鐨鏂规硶璇佹槑M姣攎...
绛旓細鍦浼藉埄鐣鏃朵唬,涔熸湁澶氫汉鍦ㄤ粬涔嬪墠鍋氫簡鍚﹀畾浜氶噷鏂寰风悊璁虹殑钀戒綋瀹為獙銆1544骞,鎰忓ぇ鍒╁巻鍙插瀹舵硶濂囧湪涓绡囨湁鍏崇偧閲戞湳鐨勬枃绔犱腑椤虹瑪鎻愬強璇曢獙鍚﹀畾浜嗕簹閲屾柉澶氬痉鐨勮惤浣撴硶鍒欍1576骞,鍏堜簬浼藉埄鐣ユ媴浠诲笗澶氱摝澶у鏁板鏁欐巿鐨勮帿鍕掓彁鎶ュ憡璇,濡傛灉浠庡椤鎵涓鐩稿悓鏉愭枡浣涓嶅悓閲嶉噺鐨勭墿浣,鎴栬呯浉鍚屼綋绉絾涓嶅悓鏉愭枡(閾呯悆鍜屾湪鐞)鐨勭墿浣,瀹冧滑灏嗗悓鏃...
绛旓細鑷充簬鍦ㄥ椤朵笂骞冲皠鐨勫ぇ鐐,濡備互涓嶅悓鐨鍐插姏灏勫嚭鐐脊,鍙互鑲畾鍏跺皠绋嬩竴瀹氫笉绛夈傞偅涔,杩欎簺鐐脊鍦ㄧ┖姘斾腑椋炶鎵闇鐨勬椂闂存槸鍚︾浉鍚屽憿?浼藉埄鐣鐨勫洖绛旀槸鑲畾鐨勨,浠栬:濡傞櫎鍘荤┖姘旈樆鍔,鎴戣涓,褰撲竴棰楃偖寮逛粠澶х偖涓皠鍑,鍚屾椂璁╁彟涓棰楃偖寮浠庡悓涓楂樺害鍨傜洿钀戒笅,杩欎袱棰楃偖寮硅偗瀹氫細鍦ㄥ悓涓鐬棿鍒拌揪鍦伴潰銆傜敱杩欎竴鍒嗘瀽鎴戜滑鍙互娣卞埢鐨勪綋浼氬埌...
绛旓細浼藉埄鐣鐢ㄧ┖姘旈樆鍔涜В閲婁簡涓嬭惤閫熷害鐨勫樊鍒紝鎵浠ラ氳繃鍋囨兂鍦ㄧ湡绌轰腑涓嶅悓閲嶉噺鐨勭墿浣撹嚜鐢变笅钀界殑鎯呭喌銆傚苟涓旀帹瀵煎嚭锛氭墍鏈夌墿浣浠庡悓涓楂樺害钀戒笅鏃舵墍闇鏃堕棿鐩稿悓锛涘湪涓嬭惤杩囩▼涓熷害涓庢椂闂存垚姝f瘮锛涗笅钀界殑绌洪棿璺濈涓庨氳繃杩欎竴绌洪棿璺濈鎵闇鐨勬椂闂寸殑骞虫柟鎴愭姣斻備冀鍒╃暐涓嶉【浜嬪疄鐨勮惤浣撲笅钀介熷害鐩稿悓鐨勭洰鐨勬槸涓轰簡婊¤冻涓嬩竴姝ユ暟瀛﹁绠...