铝棒的重量怎么计算？例如一根铝棒直径是40mm长是25mm。 铝棒重量计算公式
\u94dd\u68d2\u7684\u91cd\u91cf\u600e\u4e48\u8ba1\u7b97\uff1f\uff1f\u4f8b\u5982\u4e00\u6839\u94dd\u68d2\u76f4\u5f84\u662f40mm\u957f\u662f25mm\u3002\u3002\u8bf7\u8be6\u7ec6\u4e00\u70b9\u3002\u3002\u534a\u5f84*\u534a\u5f84*3.14*\u957f\u5ea6*\u5bc6\u5ea6=\u91cd\u91cf
\u94dd\u7684\u5bc6\u5ea6\uff1a2.702 g/cm3
2\u00d72\u00d73.14\u00d72.5\u00d72.702=84.8428\u516c\u65a4\u3002
\u94dd\u68d2\u7684\u7528\u9014\uff1a
1\u3001\u94dd\u68d2\u70ed\u5904\u7406\u5f3a\u5316\uff0c\u51b2\u51fb\u97e7\u6027\u9ad8\uff0c\u5bf9\u7f3a\u53ef\u4e0d\u654f\u611f.\u6709\u6781\u597d\u7684\u70ed\u5851\u6027\uff0c\u94dd\u68d2\u53ef\u4ee5\u9ad8\u901f\u6324\u538b\u6210\u7ed3\u6784\u590d\u6742\u3001\u8584\u58c1\u3001\u4e2d\u7a7a\u7684\u5404\u79cd\u578b\u6750\uff0c\u6216\u953b\u9020\u6210\u7ed3\u6784\u590d\u6742\u7684\u953b\u4ef6\u3002
2\u3001\u6dec\u706b\u6e29\u5ea6\u8303\u56f4\u5bbd\uff0c\u6dec\u706b\u654f\u611f\u6027\u4f4e\uff0c\u6324\u538b\u548c\u953b\u9020\u8131\u6a21\u540e\uff0c\u53ea\u8981\u6e29\u5ea6\u9ad8\u4e8e\u6dec\u706b\u6e29\u5ea6\uff0c\u5373\u53ef\u7528\u55b7\u6c34\u6216\u7a7f\u6c34\u7684\u65b9\u6cd5\u6dec\u706b\u3002\u5176\u7f3a\u70b9\u662f\u6dec\u706b\u540e\uff0c\u82e5\u5728\u5ba4\u6e29\u505c\u653e\u4e00\u6bb5\u65f6\u95f4\uff0c\u5728\u65f6\u6548\u4e0a\u4f1a\u5bf9\u5f3a\u5ea6\u5e26\u6765\u4e0d\u5229\u5f71\u54cd\u3002
3\u3001\u822a\u7a7a\u822a\u5929\u7528\u94dd\u6750\u7528\u4e8e\u5236\u4f5c\u98de\u673a\u8499\u76ae\u3001\u673a\u8eab\u6846\u67b6\u3001\u5927\u6881\u3001\u65cb\u7ffc\u3001\u87ba\u65cb\u6868\u3001\u90ae\u7bb1\u3001\u58c1\u677f\u548c\u8d77\u843d\u67b6\u652f\u67f1\uff0c\u4ee5\u53ca\u706b\u7bad\u953b\u73af\u3001\u5b87\u5b99\u98de\u8239\u58c1\u677f\u7b49\u3002\u5e7f\u6cdb\u7528\u4e8e\u996e\u6599\u3001\u98df\u54c1\u3001\u5316\u5986\u54c1\u3001\u836f\u54c1\u3001\u9999\u70df\u3001\u5de5\u4e1a\u4ea7\u54c1\u7b49\u5305\u88c5\u3002
4\u3001\u4ea4\u901a\u8fd0\u8f93\u7528\u94dd\u6750\u80fd\u5168\u65b9\u4f4d\u63d0\u4f9b\u6c7d\u8f66\u7528\u5404\u7c7b\u94dd\u5408\u91d1\u6750\u6599\u5730\u94c1\u3001\u8f7b\u8f68\u7528\u5927\u578b\u591a\u5b54\u578b\u6750\u586b\u8865\u56fd\u5185\u7a7a\u767d\u3002
5\u3001\u7535\u5b50\u5bb6\u7535\u7528\u94dd\u6750\u4e3b\u8981\u7528\u4e8e\u5404\u79cd\u6bcd\u7ebf\u3001\u67b6\u7ebf\u3001\u5bfc\u4f53\u3001\u7535\u6c14\u5143\u4ef6\u3001\u51b0\u7bb1\u3001\u7535\u7f06\u7b49\u9886\u57df\u3002
\u53c2\u8003\u8d44\u6599
\u94dd\u68d2\u7684\u7528\u9014\u89e3\u6790.\u4e2d\u56fd\u94dd\u4e1a\u7f51[\u5f15\u7528\u65f6\u95f42017-12-24]
\u91cd\u91cf\u516c\u65a4=\u03c0R²h\u00d70.0000027=3.1415\u00d7\u94dd\u68d2\u534a\u5f84\u7684\u5e73\u65b9\u00d7\u94dd\u68d2\u7684\u957f\u5ea6\u00d70.0000027 \uff0c\u534a\u5f84\u957f\u5ea6\u7684\u5355\u4f4d\u4e3a\u6beb\u7c73\uff0c\u8ba1\u7b97\u51fa\u76f4\u63a5\u662f\u94dd1653\u68d2\u7684\u516c\u65a4\u6570\u3002
\u4e0a\u9762\u516c\u5f0f\u5404\u79cd\u5bc6\u5ea6\u503c\u4ee3\u5165\u8fdb\u53bb\u5c31\u884c\u4e86\uff0c\u6bd4\u5982\u94dc\u662f8.93\uff0c\u90a3\u4e48\u94dc\u68d2\u7684\u516c\u65a4\u6570\u7528\u4e0a\u9762\u7684\u516c\u5f0f\u628a\u5176\u4e2d\u76840.0000027\u6362\u62100.00000893\uff0c\u7c7b\u63a8\u5373\u53ef\u3002
\u6bd4\u91cd\u5c31\u662f\u94dd\u68d2\u7684\u5bc6\u5ea6\u503c\u3002\u6bd4\u91cd\u4e5f\u5c31\u662f\u76f8\u5bf9\u5bc6\u5ea6\uff0c\u53ef\u4ee5\u770b\u505a\u67d0\u79cd\u6750\u8d28\u8d28\u91cf\u76f8\u5bf9\u4e8e\u6c34\u8d28\u91cf\u7684\u4e00\u4e2a\u6bd4\u503c\u3002
\u6269\u5c55\u8d44\u6599\uff1a
\u91d1\u5c5e\u6750\u6599\u7406\u8bba\u91cd\u91cf\u8ba1\u7b97\u7684\u8ba1\u91cf\u5355\u4f4d\u4e3a\u516c\u65a4\uff08 kg \uff09\u3002\u5176\u57fa\u672c\u516c\u5f0f\u4e3a\uff1a
W\uff08\u91cd\u91cf\uff0ckg \uff09=F(\u65ad\u9762\u79ef mm2)\u00d7L(\u957f\u5ea6\uff0cm)\u00d7\u03c1(\u5bc6\u5ea6\uff0cg/cm3)\u00d71/1000
\u51e0\u79cd\u91d1\u5c5e\u578b\u6750\u7406\u8bba\u91cd\u91cf\u7b80\u6613\u8ba1\u7b97\u516c\u5f0f\uff1a
1\u3001 \u89d2\u94a2\uff1a\u6bcf\u7c73\u91cd\u91cf=0.00785\u00d7\uff08\u8fb9\u5bbd+\u8fb9\u5bbd\u2014\u8fb9\u539a\uff09\u00d7\u8fb9\u539a
2\u3001 \u7ba1\u6750\uff1a\u6bcf\u7c73\u91cd\u91cf=0.02466\u00d7\u58c1\u539a\u00d7\uff08\u5916\u5f84\u2014\u58c1\u539a\uff09
3\u3001 \u5706\u94a2\uff1a\u6bcfm\u91cd\u91cf=0.00617\u00d7\u76f4\u5f84\u00d7\u76f4\u5f84 (\u87ba\u7eb9\u94a2\u548c\u5706\u94a2\u76f8\u540c\uff09
4\u3001 \u65b9\u94a2\uff1a\u6bcfm\u91cd\u91cf=0.00786\u00d7\u8fb9\u5bbd\u00d7\u8fb9\u5bbd
5\u3001 \u516d\u89d2\u94a2\uff1a\u6bcfm\u91cd\u91cf=0.0068\u00d7\u5bf9\u8fb9\u76f4\u5f84\u00d7\u5bf9\u8fb9\u76f4\u5f84
6\u3001 \u516b\u89d2\u94a2\uff1a\u6bcfm\u91cd\u91cf=0.0065\u00d7\u76f4\u5f84\u00d7\u76f4\u5f84
7\u3001 \u7b49\u8fb9\u89d2\u94a2\uff1a\u6bcfm\u91cd\u91cf=\u8fb9\u5bbd\u00d7\u8fb9\u539a\u00d70.015
8\u3001 \u6241\u94a2\uff1a\u6bcfm\u91cd\u91cf=0.00785\u00d7\u539a\u5ea6\u00d7\u5bbd\u5ea6
9\u3001 \u65e0\u7f1d\u94a2\u7ba1\uff1a\u6bcfm\u91cd\u91cf=0.02466\u00d7\u58c1\u539a\u00d7(\u5916\u5f84-\u58c1\u539a)
10\u3001\u7535\u710a\u94a2\uff1a\u6bcfm\u91cd\u91cf=\u65e0\u7f1d\u94a2\u7ba1
11\u3001\u94a2\u677f\uff1a\u6bcf\u33a1\u91cd\u91cf=7.85\u00d7\u539a\u5ea6
12\u3001\u9ec4\u94dc\u7ba1\uff1a\u6bcf\u7c73\u91cd\u91cf=0.02670\u00d7\u58c1\u539a\u00d7\uff08\u5916\u5f84-\u58c1\u539a\uff09
13\u3001\u7d2b\u94dc\u7ba1\uff1a\u6bcf\u7c73\u91cd\u91cf=0.02796\u00d7\u58c1\u539a\u00d7\uff08\u5916\u5f84-\u58c1\u539a)
14\u3001\u94dd\u82b1\u7eb9\u677f\uff1a\u6bcf\u5e73\u65b9\u7c73\u91cd\u91cf=2.96\u00d7\u539a\u5ea6
半径*半径*3.14*长度*密度=重量
铝的密度：2.702 g/cm3
2×2×3.14×2.5×2.702=84.8428公斤。
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绛旓細閲嶉噺鍏枻=蟺R²h脳0.0000027=3.1415脳閾濇鍗婂緞鐨勫钩鏂姑閾濇鐨闀垮害脳0.0000027锛涘崐寰勯暱搴︾殑鍗曚綅涓烘绫 璁＄畻鍑烘潵鐩存帴鏄摑妫掔殑鍏枻鏁般傛瘮閲嶅氨鏄摑妫掔殑瀵嗗害鍊笺傛瘮閲嶄篃灏辨槸鐩稿瀵嗗害锛屽彲浠ョ湅鍋氭煇绉嶆潗璐ㄨ川閲忕浉瀵逛簬姘磋川閲忕殑涓涓瘮鍊硷紝浣犲彲浠ユ煡涓涓嬪悇绉嶆潗鏂欑殑瀵嗗害鍊硷紝璺熸瘮閲嶅叾瀹炴槸涓鏍风殑銆備笂闈㈠叕寮忓悇绉嶅瘑搴...
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绛旓細60骞翠唬浠栧缓绔嬩簡涓栫晫涓婄涓濂楀紩鍔涙尝妫娴嬭缃:涓鏍闀153鍘樼背銆佺洿寰61鍘樼背銆閲绾1.3鍚ㄧ殑鍦嗘煴褰閾濇鈥斺斿悗浜虹О涔嬩负闊︿集鏉,妯惌鍦ㄧ敱涓や釜閾佹煴瀛愭敮鐫鐨勯挗涓濅笂銆傞摑鏉嗚川閲忚櫧澶,閽笣鍗村嚑涔庢棤涓濇鎸姩銆傞煢浼帹娴,閾濇潌鑻ヨ兘鎺ユ敹鍒版潵鑷お绌虹殑涓鏉熷己寮曞姏娉,灏变細鎽嗗姩璧锋潵,浣嗘憜鍔ㄥ緢鍙兘鏄緢杞诲井鐨,浠栦及璁℃憜鍔ㄥ箙搴﹀彲鑳藉彧鏈夊師瀛愭牳...
