楂?/p>
涓?/p>
鐗?/p>
鐞?/p>
绔?/p>
璧?/p>
缁?/p>
涔?/p>
闈?/p>
鍔?/p>
瀛?/p>
锛?/p>
A
锛?/p>
2010-08-11
瀛﹀彿
____
濮撳悕
__________
1
銆侀噸閲忓垎鍒负
P
鍜?/p>
Q
鐨勪袱涓皬鐜?/p>
A
鍜?/p>
B
锛岄兘濂楀湪涓�涓鍦ㄧ珫鐩村钩闈㈠唴鐨勩�佸厜婊戠殑鍥哄畾澶х幆涓娿�?/p>
A
銆?/p>
B
鐢ㄩ暱涓?/p>
L
鐨勭粏绾跨郴浣忥紝鐒跺悗鎸?/p>
鍦ㄧ幆鐨勬涓婃柟鐨勫厜婊戦拤瀛?/p>
C
涓娿�傝瘯姹傜郴缁熼潤姝㈠钩琛″悗
AC
閮ㄥ垎绾挎鐨勯暱搴︺�?/p>
2
銆佽川閲忎负
m
鐨勫潎鍖�缁嗘锛?/p>
A
绔敤缁嗙嚎鎮寕浜庡畾鐐癸紝
B
绔蹈娌″湪姘翠腑锛岄潤姝㈠钩琛℃椂锛屾按涓儴鍒嗛暱搴︿负鍏ㄩ暱鐨?/p>
3/5
锛屾眰姝ゆ鐨勫瘑搴﹀拰鎮?/p>
绾跨殑寮犲姏銆?/p>
3
銆侀暱涓?/p>
1m
鐨勫潎鍖�鐩存潌
AB
閲?/p>
10N
锛岀敤缁嗙怀
AO
銆?/p>
BO
鎮寕璧锋潵锛岀怀涓庣洿鏉嗙殑瑙掑害濡傚浘鎵�绀恒�備负浜嗕娇鏉嗕繚鎸佹按骞筹紝鍙﹂渶鍦ㄦ潌涓婃寕涓�涓噸
閲忎负
20N
鐨勭牆鐮侊紝璇曟眰杩欎釜鐮濈爜鐨勬偓鎸傜偣
C
搴旇窛鏉嗙殑
A
绔杩溿�?/p>
4
銆佸崐寰勪负
R
鐨勭┖蹇冨渾绛掞紝鍐呰〃鍏夋粦锛岀洓鏈変袱涓悓鏍峰厜婊戠殑銆佸崐寰勪负
r
鐨勩�侀噸閲忎负
G
鐨勭悆锛岃瘯姹?/p>
B
涓庡渾绛掑鐨勪綔鐢ㄥ姏澶у皬銆?/p>
5
銆佷负浜嗗皢涓�涓暱涓?/p>
2m
鐨勫偍娑茬涓殑姘村拰姘撮摱鍒嗗紑锛屽湪绠卞唴鏀剧疆涓�鍧楄川閲忓彲涓嶈鐨勯殧鐑澘
AB
锛屾澘鍦?/p>
A
澶勬湁閾伴摼锛屾眰瑕佷娇鏉?/p>
AB
鍜屾按
骞抽潰澶?/p>
53
掳瑙掞紝鎵�闇�鐨勭殑姘撮摱娣卞害銆傚凡鐭ユ按鐨勬繁搴︿负
1m
銆佹按鍜屾按閾剁殑瀵嗗害鍒嗗埆涓?/p>
蟻
姘?/p>
= 1.0
脳
10
3
kg/m
3
鍜?/p>
蟻
姹?/p>
= 13.57
脳
10
3
kg/m
3
銆?/p>