绗?/p>
1
椤碉紙鍏?/p>
4
椤碉級
鐗涢】瀹氬緥閿欓闆?/p>
涓�銆佷富瑕佸唴瀹?/p>
鏈珷鍐呭鍖呮嫭鍔涚殑姒傚康鍙婂叾璁＄畻鏂规硶锛岄噸鍔涖�佸脊鍔涖�佹懇鎿﹀姏鐨勬蹇靛強鍏惰绠楋紝鐗涢】杩愬姩瀹氬緥锛岀墿浣撶殑
骞宠 锛屽け閲嶅拰瓒呴噸绛夋蹇靛拰瑙勫緥銆傚叾涓噸鐐瑰唴瀹归噸鍔涖�佸脊鍔涘拰鎽╂摝鍔涘湪鐗涢】绗簩瀹氬緥涓殑搴旂敤锛岃繖鍏朵腑瑕?/p>
姹傚鐢熻鑳藉寤虹珛璧锋纭殑鈥滆繍鍔ㄥ拰鍔涚殑鍏崇郴鈥濄�傚洜姝わ紝娣卞埢鐞嗚В鐗涢】绗竴瀹氬緥锛屽垯鏄湰绔犱腑杩愮敤鐗涢】绗?/p>
浜屽畾寰嬭В鍐冲叿浣撶殑鐗╃悊闂鐨勫熀纭�銆?/p>
浜屻�佸熀鏈柟娉?/p>
鏈珷涓墍娑夊強鍒扮殑鍩烘湰鏂规硶鏈夛細
鍔涚殑鍒嗚В涓庡悎鎴愮殑骞宠鍥涜竟褰㈡硶鍒欙紝
杩欐槸鎵�鏈夌煝閲忚繘琛屽姞銆?/p>
鍑忔硶杩愮畻
杩囩▼鐨勯�氱敤娉曞垯锛涜繍鐢ㄧ墰椤跨浜屽畾寰嬭В鍐冲叿浣撳疄闄呴棶棰樻椂锛屽父闇�瑕佸皢鏌愪竴涓墿浣撲粠浼楀鍏朵粬鐗╀綋涓殧绂诲嚭
鏉ヨ繘琛屽彈鍔涘垎鏋愮殑鈥滈殧绂绘硶鈥濓紝闅旂娉曟槸鍒嗘瀽鐗╀綋鍙楀姏鎯呭喌鐨勫熀纭�锛岃�屽鐗╀綋鐨勫彈鍔涙儏鍐佃繘琛屽垎鏋愬張鏄簲
鐢ㄧ墰椤跨浜屽畾寰嬬殑鍩虹銆傚洜姝わ紝杩欑浠庡鏉傜殑瀵硅薄涓殧绂诲嚭鏌愪竴瀛ょ珛鐨勭墿浣撹繘琛岀爺绌剁殑鏂规硶锛屽湪鏈珷涓究
鏄惧緱鍗佸垎閲嶈銆?/p>
涓夈�侀敊瑙ｅ垎鏋?/p>
鍦ㄦ湰绔犵煡璇嗗簲鐢ㄧ殑杩囩▼涓紝
鍒濆鑰呭父鐘殑閿欒涓昏琛ㄧ幇鍦細
瀵圭墿浣撳彈鍔涙儏鍐典笉鑳借繘琛屾纭殑鍒嗘瀽锛?/p>
鍏?/p>
鍘熷洜閫氬父鍑虹幇鍦ㄥ寮瑰姏鍜屾懇鎿﹀姏鐨勫垎鏋愪笌璁＄畻鏂归潰锛岀壒鍒槸瀵规懇鎿﹀姏锛堝挨鍏舵槸瀵归潤鎽╂摝鍔涳級鐨勫垎鏋愶紱瀵硅繍
鍔ㄥ拰鍔涚殑鍏崇郴涓嶈兘鍑嗙‘鍦版妸鎻★紝濡傚湪杩愮敤鐗涢】绗簩瀹氬緥鍜岃繍鍔ㄥ鍏紡瑙ｅ喅闂鏃讹紝甯歌〃鐜板嚭鐢ㄧ煝閲忓叕寮忚
绠楁椂鍑虹幇姝ｃ�佽礋鍙风殑閿欒锛屽叾鏈川鍘熷洜灏辨槸瀵硅繍鍔ㄥ拰鍔涚殑鍏崇郴娌¤兘姝ｇ‘鎺屾彙锛岃浠ヤ负鐗╀綋鍙楀埌浠�涔堟柟鍚戠殑
鍚堝鍔涳紝鍒欑墿浣撳氨鍚戦偅涓柟鍚戣繍鍔ㄣ�?/p>
渚?/p>
1
鐢层�佷箼涓や汉鎵嬫媺鎵嬬帺鎷旀渤娓告垙锛岀粨鏋滅敳鑳滀箼璐ワ紝閭ｄ箞鐢蹭箼涓や汉璋佸彈鎷夊姏澶э紵
銆?/p>
閿欒В鍘熷洜鏄嚟涓昏鎯冲儚锛岃�屼笉鏄寜鐗╃悊瑙勫緥鍒嗘瀽闂銆?/p>
銆愯瘎鏋愩�?/p>
鐢熸椿涓湁涓�浜涙劅瑙変笉鎬绘槸姝ｇ‘鐨勶紝涓嶈兘鎶婄敓娲讳腑鐨勭粡楠岋紝鎰熻褰撴垚瑙勫緥鏉ョ敤锛岃杩愮敤鐗╃悊瑙?/p>
寰嬫潵瑙ｅ喅闂銆?/p>
渚?/p>
2
濡傚浘
2
锛?/p>
1
鎵�绀猴紝涓�鏈ㄥ潡鏀惧湪姘村钩妗岄潰涓婏紝鍦ㄦ按骞虫柟鍚戜笂鍏卞彈涓変釜鍔涳紝
F
1
锛?/p>
F
2
鍜屾懇鎿﹀姏锛屽浜庨潤
姝㈢姸鎬併�傚叾涓?/p>
F
1
=10N
锛?/p>
F
2
=2N
銆傝嫢鎾ゅ幓鍔?/p>
F
1
鍒欐湪鍧楀湪姘村钩鏂瑰悜鍙楀埌鐨勫悎澶栧姏涓猴紙
锛?/p>
A.10N
鍚戝乏
B.6N
鍚戝彸
C.2N
鍚戝乏
D.0
銆愰敊瑙ｅ師鍥犮�?/p>
涓嶅姞鍒嗘瀽鐢熸惉纭
渚?/p>
3
濡傚浘
2
锛?/p>
2
鎵�绀烘按骞虫斁缃殑绮楃硻鐨勯暱鏈ㄦ澘涓婃斁缃竴涓墿浣?/p>
m
锛屽綋鐢ㄤ簬缂撴參鎶捣涓�绔椂锛屾湪鏉垮彈
鍒扮殑鍘嬪姏鍜屾懇鎿﹀姏灏嗘�庢牱鍙樺寲锛?/p>
銆愰敊瑙ｃ�?/p>
浠ユ湪鏉夸笂鐨勭墿浣撲负鐮旂┒瀵硅薄銆傜墿浣撳彈閲嶅姏銆佹懇鎿﹀姏銆佹敮鎸佸姏銆傚洜涓虹墿浣撻潤姝紝鍒欐牴鎹墰椤跨
浜屽畾寰嬫湁
閿欒В涓�锛氭嵁寮忊憽鐭ラ亾
胃
澧炲姞锛?/p>
f
澧炲姞銆?/p>
閿欒В浜岋細鍙︽湁閿欒В璁や负鎹紡鈶＄煡
胃
澧炲姞锛?/p>
N
鍑忓皬鍒?/p>
f=
渭
N
璇存槑
f
鍑忓皯銆?/p>