1
鍒濅腑鐗╃悊娴姏缁忓吀渚嬮澶у叏
渚?/p>
1
涓嬪垪璇存硶涓纭殑鏄?/p>
锛?/p>
锛?/p>
A
锛庣墿浣撴蹈娌″湪姘翠腑瓒婃繁锛屽彈鐨勬诞鍔涜秺澶?/p>
B
锛庡瘑搴﹁緝澶х殑鐗╀綋鍦ㄦ按涓彈鐨勬诞鍔涘ぇ
C
锛庨噸鐨勭墿浣撳彈鐨勬诞鍔涘皬
D
锛庡悓浣撶Н鐨勯搧鍧楀拰鏈ㄥ潡娴告病鍦ㄦ按涓彈鐨勬诞鍔涗竴鏍峰ぇ
渚?/p>
2
璐ㄩ噺涓?/p>
79g
鐨勯搧鍧楋紝瀵嗗害鏄?/p>
7.9g/cm
3
锛岃繖涓搧鍧楃殑璐ㄩ噺鏄灏?/p>
?
閲嶅灏?/p>
?
灏嗚繖
涓搧鍧楁蹈娌′簬姘翠腑锛屾帓寮�姘寸殑璐ㄩ噺鏄灏?/p>
?
鎵�鍙楁诞鍔涙槸澶氬皯
?
锛?/p>
g
鍙?/p>
10N/kg
锛?/p>
渚?/p>
3
锛堝箍宸炲競涓�冭瘯棰橈級鐢ㄥ脊绨ф祴鍔涜鎷変綇涓�涓噸涓?/p>
43N
鐨勭┖蹇冮摐鐞冿紝鍏ㄩ儴娴稿湪姘?/p>
涓椂锛屽脊绨ф祴鍔涜鐨勭ず鏁颁负
33.25N
锛屾閾滅悆鐨勭┖蹇冮儴鍒嗙殑浣撶Н鏄?/p>
________m
3
锛?/p>
锛堝凡鐭ラ摐鐨?/p>
瀵嗗害涓?/p>
8.9
脳
10
3
kg/m
3
锛?/p>
宸茬煡锛?/p>
G
锛?/p>
43N
锛屾蹈娌℃按涓?/p>
F
锛?/p>
33.2N
姹傦細
V
绌?/p>
渚?/p>
4
浣撶Н鐩稿悓鐨?/p>
A
銆?/p>
B
銆?/p>
C
涓変釜鐗╀綋锛?/p>
鏀惧叆姘翠腑闈欐鍚庯紝
澶勪簬鍥?/p>
1
鈥?/p>
5
鈥?/p>
1
鎵�绀虹殑鐘舵�侊紝
璇曟瘮杈冧笁涓墿浣撳彈鐨勯噸鍔?/p>
G
A
銆?/p>
G
B
銆?/p>
G
C
鍜屽瘑搴?/p>
飦?/p>
A
銆?/p>
飦?/p>
B
銆?/p>
飦?/p>
C
锛?/p>