有一水管在离地10米高处的压力为10公斤，则在地面处的压力约为多少公斤 关于大气压和水压 （说的越详细越好）
\u4e00\u4e2a\u79bb\u573010\u7c73\u768410\u7c73\u6c34\u7f50 \u7f50\u5e95\u63a5\u6839\u6c34\u7ba1\u5230\u5730\u9762 \u7f50\u5e95\u7684\u6c34\u538b\u662f\u591a\u5c11 \u6c34\u7ba1\u51fa\u53e3\u5904\u7684\u6c34\u538b\u662f\u591a\u5c11\u6c34\u7ba1\u51fa\u53e3\u7684\u538b\u529b\u80af\u5b9a\u662f1\u516c\u65a4/\u5398\u7c73²
\u7f50\u5e95\u7684\u538b\u529b\u5c31\u4e0d\u597d\u56de\u7b54\u4e86\uff0c\u4f60\u768410\u7c73\u7f50\u662f10\u7acb\u65b9³\uff0c\u8fd8\u662f10\u7c73\u76f4\u5f84\uff0c\u662f\u7acb\u7f50\u8fd8\u662f\u5367\u7f50\uff0c\u653e\u7f6e\u65b9\u5411\u5bf9\u7f50\u5e95\u7684\u538b\u529b\u662f\u4e0d\u4e00\u6837\u7684\uff0c\u4f60\u6709\u5174\u8da3\u6211\u4eec\u53ef\u4ee5\u7ee7\u7eed\u8ba8\u8bba
\u5927\u6c14\u5bf9\u6d78\u5728\u5b83\u91cc\u9762\u7684\u7269\u4f53\u4ea7\u751f\u7684\u538b\u5f3a\u53eb\u5927\u6c14\u538b\u5f3a\uff0c\u7b80\u79f0\u5927\u6c14\u538b\u6216\u6c14\u538b\u3002 1654\u5e74\u683c\u91cc\u514b\u5728\u5fb7\u56fd\u9a6c\u5fb7\u5821\u4f5c\u4e86\u8457\u540d\u7684\u9a6c\u5fb7\u5821\u534a\u7403\u5b9e\u9a8c\uff0c\u6709\u529b\u5730\u8bc1\u660e\u4e86\u5927\u6c14\u538b\u5f3a\u7684\u5b58\u5728\uff0c\u8fd9\u8ba9\u4eba\u4eec\u5bf9\u5927\u6c14\u538b\u6709\u4e86\u6df1\u523b\u7684\u8ba4\u8bc6\u3002\u7136\u800c\u65e9\u57281643\u5e74\uff0c\u610f\u5927\u5229\u79d1\u5b66\u5bb6\u6258\u91cc\u62c6\u5229\u5c31\u5728\u4e00\u68391\u7c73\u957f\u7684\u7ec6\u73bb\u7483\u7ba1\u4e2d\u6ce8\u6ee1\u6c34\u94f6\uff08\u6c5e\uff09\u5012\u7f6e\u5728\u76db\u6709\u6c34\u94f6\u7684\u6c34\u69fd\u4e2d\uff0c\u53d1\u73b0\u73bb\u7483\u7ba1\u4e2d\u7684\u6c34\u94f6\u5927\u7ea6\u4e0b\u964d\u5230760\u6beb\u7c73\u9ad8\u5ea6\u540e\u5c31\u4e0d\u518d\u4e0b\u964d\u4e86\u3002\u8fd9760\u6beb\u7c73\u523b\u5ea6\u4e4b\u4e0a\u7684\u7a7a\u95f4\u65e0\u7a7a\u6c14\u8fdb\u5165\uff0c\u662f\u771f\u7a7a\u3002\u6258\u91cc\u62c6\u5229\u636e\u6b64\u63a8\u65ad\u5927\u6c14\u7684\u538b\u5f3a\u5c31\u7b49\u4e8e\u6c34\u94f6\u67f1\u4ea7\u751f\u7684\u538b\u5f3a\uff0c\u8fd9\u5c31\u662f\u8457\u540d\u7684\u6258\u91cc\u62c6\u5229\u5b9e\u9a8c\u3002\u6807\u51c6\u5927\u6c14\u538b\u4e3a\uff1a1.013\u00d710^5Pa\uff08\u5e15\u65af\u5361\uff09\uff0c\u7b49\u4e8e760mmhg\uff08\u6beb\u7c73\u6c5e\uff08\u6c34\u94f6\uff09\u67f1\uff09
\u5927\u6c14\u4f1a\u4ece\u5404\u4e2a\u65b9\u5411\u5bf9\u5904\u4e8e\u5176\u4e2d\u7684\u7684\u7269\u4f53\u4ea7\u751f\u538b\u5f3a\uff0c\u5927\u6c14\u538b\u5f3a\u7b80\u79f0\u4e3a\u5927\u6c14\u538b\u3002\u6d4b\u91cf\u5927\u6c14\u538b\u7684\u4eea\u53eb\u505a\u6c14\u538b\u8ba1\uff0c\u5e38\u89c1\u7684\u6709\u6c34\u94f6\u6c14\u538b\u8ba1\u3002\u4e00\u6807\u51c6\u5927\u6c14\u538b\uff081atm\uff09=760\u6beb\u7c73\u6c5e\u67f1\uff08mmHg\uff09\u3002
\u6db2\u4f53\u538b\u5f3a\u8ba1\u7b97\u516c\u5f0f\uff1aP=\u03c1gh
\u5730\u9762\u4e0a\u6807\u51c6\u5927\u6c14\u538b\u7ea6\u7b49\u4e8e760\u6beb\u7c73\u9ad8\u6c34\u94f6\u67f1\u4ea7\u751f\u7684\u538b\u5f3a\u3002\u7531\u4e8e\u6d4b\u91cf\u5730\u533a\u7b49\u6761\u4ef6\u7684\u5f71\u54cd\uff0c\u6240\u6d4b\u6570\u503c\u4e0d\u540c\u3002
\u6839\u636e\u6db2\u4f53\u538b\u5f3a\u7684\u516c\u5f0fP=\u03c1gh\uff0c\u6c34\u94f6\u7684\u5bc6\u5ea6\u662f13.6\u00d710^3\u5343\u514b/\u7acb\u65b9\u7c73\uff0c\u56e0\u6b6476\u5398\u7c73\u9ad8\u6c34\u94f6\u67f1\u4ea7\u751f\u7684\u6807\u51c6\u5927\u6c14\u538b\u5f3a\u662f\uff1a
P =13.6\u00d710^3\u5343\u514b/\u7acb\u65b9\u7c73\u00d79.8\u725b\u987f/\u5343\u514b\u00d70.76\u7c73
\u22481.013\u00d710^5\u725b\u987f/\u5e73\u65b9\u7c73
=1.013\u00d710^5\u5e15\u65af\u5361
=0.1013Mpa\uff08\u5146\u5e15\uff09
=1atm
=76cmHg
=760\u6258
=760mmHg
1mmHg=1.01325*10^5Pa/760=133.32pa
\u4ea7\u751f\u539f\u56e0
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p=F/S \uff08\u5728\u90fd\u4f7f\u7528\u56fd\u9645\u5355\u4f4d\u5236\u65f6\uff0c\u5355\u4f4d\u662fpa\uff09
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\u6db2\u4f53\u538b\u5f3a
p=\u03c1gh ( p\u6db2=F/S=G/S=mg/S=\u03c1\u6db2Vg/S=\u03c1\u6db2Shg/S=\u03c1\u6db2hg=\u03c1\u6db2gh\uff09
(1)\u6db2\u4f53\u5bf9\u5bb9\u5668\u5e95\u548c\u4fa7\u58c1\u90fd\u6709\u538b\u5f3a\uff0c\u6db2\u4f53\u5185\u90e8\u5411\u5404\u4e2a\u65b9\u5411\u90fd\u6709\u538b\u5f3a\uff0e
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\u5728\u6d77\u62d43000m\u4e4b\u5185\uff0c\u6bcf\u4e0a\u534710m\u5927\u6c14\u538b\u5f3a\u7ea6\u51cf\u5c0f100Pa\uff0c\u5728\u6d77\u62d42000m\u4e4b\u5185,\u6bcf\u4e0a\u534712m\u5927\u6c14\u538b\u5f3a\u7ea6\u51cf\u5c0f1mmHg\u3002
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绛旓細绠″緞20鍏垎鐨姘寸瑕佽揪鍒0.6MPa鎷撳睍璧勬枡1銆佸瑁呮按绠¤瘯鍘嬩竴鑸墦8-10鍏枻鐨勫帇鍔銆傝瘯鍘嬫椂锛屼繚璇30鍒嗛挓浠ヤ笂涓嶆笚姘达紝鍘嬪姏涓嬮檷灏忎簬0.1鍏枻涓哄悎鏍笺傚喎姘寸璇曞帇鍘嬪姏涓虹郴缁熷伐浣鍘嬪姏鐨1.5鍊嶏紝浣嗕笉寰楀皬浜1MPa銆傜儹姘寸璇曢獙鍘嬪姏涓哄伐浣滃帇鍔涚殑2鍊嶏紝浣嗕笉寰楀皬浜1.5MPa銆傛按绠¤瘯鍘嬩箣鍓嶏紝瀵圭閬撳簲閲囧彇瀹夊叏鏈夋晥鐨勫浐瀹氬拰...
绛旓細杩欑绫诲瀷鐨勬帓姘寸锛岄氬父閮戒細鏈変笉鍚岀殑鎵垮帇绛夌骇锛屾湁0.2Mpa銆0.3Mpa銆0.6Mpa銆1.0Mpa銆佷互鍙1.6Mpa鐨勶紝鎺掓按绠＄殑杈逛笂閫氬父閮戒細娉ㄦ槑鎵垮帇鐨勮兘鍔涳紝浣犵湅涓涓嬩綘閭ｄ釜鎺掓按绠′笂鏄惁娉ㄦ槑浜嗘壙鍘嬬殑绛夌骇銆
绛旓細10绫抽珮鐨姘翠骇鐢鐨勫帇鍔鎵嶄竴鍏枻锛岀幇鍦ㄧ殑姘寸鍙互鎵垮彈2MPA鐨勫帇鍔涳紝涔熷氨鏄20鍏枻锛屾兂褰撲簬200绫抽珮鐨勬按鏌憋紝鑰屼笖楂樻ゼ澶у帵涓鑸兘浼氭牴鎹笉鍚屽眰鏁板垎寮杩涜浜屾渚涙按锛
绛旓細鏁版嵁涓嶅銆傛按绠0.8cm锛2绫抽珮锛岃皝瀹舵按绠卞彧鏈0.8鍏垎杩樻病鏈夋按绠绮楋紵鏄剧劧鏄笉瀵圭殑銆傛寜鐓у父璇0.8m鐨勫渾褰㈡按绠遍珮涓ょ背鍚с備笅姘存槸5绫抽珮锛屽彲浠ョ悊瑙ｄ负钀藉樊5绫筹紝鍥犱负姘寸鏈鍚庢祦鍑虹殑姘存槸鍩轰簬姘寸涓嬪钩闈㈢殑锛屾墍浠ユ按绠遍珮搴︿笉搴旇绠楄繘鍘汇傛按鍘嬫槸澶ф姣10绫抽珮搴宸 姘村帇1鍏枻锛屾墍浠ヤ綘寤5楂樻按鍘嬪ぇ姒0.5鍏枻锛屼篃灏辨槸1...
绛旓細闇瑕佺殑鐗╃悊閲忔槸鍔熺巼鐨勫ぇ灏,涓嶆槸鍔涚殑澶у皬.鎵浠ユゼ涓荤殑闂鏈夎.1绉掗挓灏嗛噸閲1N鐨勯噸鐗╁崌楂1m鎵鎵闇瑕佺殑鍔熺巼澶у皬涓1W,妤间富渚嬪瓙闇瑕佺殑鍔熺巼,濡傛灉浣犱笉鑰冭檻绠″瓙鐨勫帇鍔鎹熷け,鍒欏姛鐜囷細P=Fh=mgh=1*9.8*0.2=2w.闇瑕佺殑鍔熺巼涓庣瀛愭湁涓瀹氱殑鍏崇郴,绠″瓙澶х殑,鍘嬪姏鎹熷け浼氬皬涓浜,闇瑕佺殑鍔熺巼涔熶細鐣ュ皬.
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绛旓細姘村閲岀殑姘存恫闈㈠拰鑷潵姘寸姘鐨勫帇鍔澶у皬鏈夌洿鎺ュ叧绯伙紝涓鑸鍦伴潰鑷潵姘寸0.15Mpa鍘嬪姏灏卞彲浠ヤ娇姘村閲岀殑娑查潰杈惧埌15m锛屽洜涓0.1Mpa=1kg/cm²=10m楂樻按鏌憋紝鎵浠ュ彧瑕鍦伴潰姘寸姘村帇杈惧埌0.15Mpa鍘嬪姏锛屽嵆鍙繚璇佹按濉旀按浣嶆恫闈15m銆
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