小明参观了科技馆后，一组静电实验给他留下了深刻的印象，回来后他把实验情境绘成一幅平面示意图（如图所
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| （1）同种电荷互相排斥（或受到A球的斥力作用） （2）电荷间作用力；电荷间距离 |
绛旓細锛(2004骞撮粦榫欐睙鐪)灏忔槑鍙傝浜嗙鎶棣嗗悗,涓缁勯潤鐢瀹為獙缁欎粬鐣欎笅浜嗘繁鍒荤殑鍗拌薄,鍥炴潵鍚庝粬鎶婂疄楠屾儏鏅粯鎴愪竴骞呭钩闈㈢ず鎰忓浘(鍥2鎵绀),鍥句腑A涓烘斁鍦ㄧ粷缂樻敮鏋朵笂鐨勫甫姝ｇ數鐞冧綋,B涓虹敤缁濈紭涓濈嚎鎮悐鐨勫甫姝ｇ數鐨勫皬 鐞,鍏堝悗灏嗗皬鐞傿鎮悐鍦ㄨ窛绂籄鐞冭繙杩戜笉鍚岀殑Pl銆丳2銆丳3澶勶紟(1)灏忕悆鍋忕绔栫洿鏂瑰悜鐨勫師鍥犳槸浠涔?(2)璇...
绛旓細锛1锛夊湪閲嶅姏鐨勪綔鐢ㄤ笅搴旇鍦ㄧ珫鐩存柟鍚戜笂闈欐锛屽悜鍙冲亸杞紝璇存槑鍏跺彈鍒颁簡鍚戝彸鐨勫姏锛岀敱浜庡皬鐞冧笌鐗╀綋A閮藉甫姝ｇ數锛屾墍浠ュ叾鍚戝彸鍋忚浆鏄敱浜庡悓绉嶇數鑽风浉浜掓帓鏂ラ犳垚鐨勶紟锛2锛夐殢鐫灏忕悆璺濈甯︾數浣揂鐨勮窛绂诲湪澧炲ぇ锛屽彂鐜板皬鐞冨湪绔栫洿鏂瑰悜涓婂亸杞殑瑙掑害鍦ㄥ噺灏忥紝鍗冲叾鍙楀埌鐨勪綔鐢ㄥ姏鍦ㄥ噺灏忥紝鐢辨鍙互鎻愬嚭闂锛氱數鑽烽棿鐨勪綔鐢ㄥ姏澶у皬涓庣數鑽...
绛旓細(1)鍚岀鐢佃嵎浜掔浉鎺掓枼 (2)鐢佃嵎闂寸殑浣滅敤鍔涗笌褰兼闂寸殑璺濈澶у皬鏈夊叧鍚楋紵鎴栫數鑽烽棿鐨勮窛绂昏秺澶э紝鐩镐簰闂寸殑浣滅敤鍔涜秺灏忓悧锛 (3)
绛旓細锛1锛夊悓绉嶇數鑽蜂簰鐩告帓鏂ワ紙鎴栧彈鍒癆鐞冪殑鏂ュ姏浣滅敤锛 锛2锛夌數鑽烽棿浣滅敤鍔涳紱鐢佃嵎闂磋窛绂
绛旓細72.(04榛戦緳姹)灏忔槑鍙傝浜嗙鎶棣嗗悗,涓缁勯潤鐢瀹為獙缁欎粬鐣欎笅浜嗘繁鍒荤殑鍗拌薄,鍥炴潵鍚庝粬鎶婂疄楠屾儏鏅粯鎴愪竴骞呭钩闈㈢ず鎰忓浘,鍥句腑A涓烘斁鍦ㄧ粷缂樻敮鏋朵笂鐨勫甫姝ｇ數鐞冧綋,B涓虹敤缁濈紭涓濈嚎鎮悐鐨勫甫姝ｇ數鐨勫皬鐞冦傚厛鍚庡皢灏忕悆B鎮悐鍦ㄨ窛绂籄鐞冭繙杩戜笉鍚岀殑P1銆丳2銆丳3澶(濡傚浘鎵绀). 鈶村皬鐞冨亸绂荤珫鐩存柟鍚戠殑鍘熷洜鏄粈涔?鈶佃浣犳牴鎹鍥,鎻愬嚭涓涓...
绛旓細11.灏忔槑鍙傝浜嗙鎶棣嗗悗,涓缁勯潤鐢瀹為獙缁欎粬鐣欎笅浜嗘繁鍒荤殑鍗拌薄,鍥炴潵鍚庝粬鎶婂疄楠屾儏澧冪粯鎴愪竴骞呭钩闈㈢ず鎰忓浘(濡傚浘鎵绀).鍥句腑A涓烘斁鍦ㄧ粷缂樻敮鏋朵笂鐨勫甫姝ｇ數鐞冧綋,B涓虹敤缁濈紭涓濈嚎鎮悐鐨勫甫姝ｇ數鐨勫皬鐞,鍏堝悗灏嗗皬鐞傿鎮悐鍦ㄨ窛A鐞冭繙杩戜笉鍚岀殑P1銆丳2銆丳3澶.鍥句腑灏忕悆B鍋忕绔栫洿浣嶇疆鏄洜涓 ; 灏忔槑鍙戠幇甯︾數灏忕悆B璺滱鐞冭秺杩,鍋忕绔栫洿...
绛旓細锛1锛夋瘡涓數闃荤殑闃诲间负5惟锛1銆3鍙2銆4涔嬮棿鍧囦负5惟锛岃鏄庤嫢鍒嗗埆杩炴帴1銆3鎴2銆4鏃讹紝鐢佃矾涓彧鏈変竴涓數闃伙紱3銆4闂寸數闃讳负10惟锛岃鏄1銆2闂村簲涓2涓數闃讳覆鑱锛1銆2闂寸殑鐢甸樆涓0锛岃鏄3銆4涔嬮棿搴斾负瀵肩嚎鐩寸嚎鐩歌繛锛涘垯棣栧厛鍒嗗埆灏嗕竴涓數闃昏繛鎺ュ湪1銆3鍙2銆4涔嬮棿锛涘湪闈犺繎3銆4鐨勪綅缃敤瀵肩嚎灏3銆4鐩歌繛...
绛旓細鍦ㄥ瘨鍋囬噷,鎴戝幓浜嗙鎶棣,鍙傝浜閭ｅ効鐨勫厛杩涚殑绉戞妧,骞惰閭ｅ効鐨勫厛杩涚鎶鎵杩蜂綇浜嗐備簬鏄,鎴戝績涓究钀岀敓浜嗗仛绉戝灏忓疄楠岀殑蹇靛ご銆傚洖鍒板,鎴戜簩璇濅笉璇,渚垮紑濮嬩簡瀹為獙銆傞鍏,鎴戝厛鎷挎潵浜嗕竴鍧楁场娌佷竴涓焊鏉佸壀鍒鍜屽弻闈㈣兌銆傚紑濮嬪埗浣滀簡,鎴戝厛鎶婄焊鏉簳閮ㄧ獊鍑虹殑閮ㄥ垎鍓帀,鐒跺悗鍐嶇敤鍙岄潰鑳跺皢鍏跺浐瀹氱殑銆佸湪娉℃搏灏鹃儴,鍦ㄧ焊鏉潬杩戝簳閮ㄧ殑...
绛旓細鏈変竴澶,灏忔槑鍜屽皬鍒氫竴璧锋斁椋為鏈烘ā鍨嬨傜粨鏋,灏忔槑鐨勯鏈烘ā鍨嬮涓婁簡钄氳摑鐨勫ぉ绌,楂樺叴寰楁墜鑸炶冻韫,鑰屽皬鍒氱殑鍗存牻鍦ㄤ簡鍦颁笂銆備粬闈炲父浼ゅ績銆備粬璇:鈥滃埆閭ｄ箞寮蹇冧簡,鎴戠殑椋炴満娌″笇鏈涗簡,璇寸潃浠栨嫈鍑轰簡椋炴満銆 6. 鍐欑鎶棣嗘敹鑾蜂綔鏂400瀛椾互涓 鏆戝亣,鐖哥埜濡堝甯︽垜鍒伴暱娌欐父鐜┿傝繖澶,鍦ㄥ濡堢殑鎻愯涓,鎴戜滑鍐冲畾鍘绘箹鍗楃渷绉戞妧棣嗗弬瑙銆傜敱...
绛旓細锛(2004骞撮粦榫欐睙鐪)灏忔槑鍙傝浜嗙鎶棣嗗悗,涓缁勯潤鐢瀹為獙缁欎粬鐣欎笅浜嗘繁鍒荤殑鍗拌薄,鍥炴潵鍚庝粬鎶婂疄楠屾儏鏅粯鎴愪竴骞呭钩闈㈢ず鎰忓浘(鍥2鎵绀),鍥句腑A涓烘斁鍦ㄧ粷缂樻敮鏋朵笂鐨勫甫姝ｇ數鐞冧綋,B涓虹敤缁濈紭涓濈嚎鎮悐鐨勫甫姝ｇ數鐨勫皬 鐞,鍏堝悗灏嗗皬鐞傿鎮悐鍦ㄨ窛绂籄鐞冭繙杩戜笉鍚岀殑Pl銆丳2銆丳3澶勶紟(1)灏忕悆鍋忕绔栫洿鏂瑰悜鐨勫師鍥犳槸浠涔?(2)璇...
