ÌâÄ¿ÄÚÈÝ
ijͬѧÔÚ×ö¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¡±µÄʵÑéʱ£¬Ö÷Òª²½ÖèÈçÏ£º
A£®×ÀÉÏ·ÅÒ»¿é·½Ä¾°å£¬ÔÚ·½Ä¾°åÉÏÆÌÒ»ÕÅ°×Ö½£¬ÓÃͼ¶¤°Ñ°×Ö½¶¤ÔÚ·½Ä¾°åÉÏ£»
B£®ÓÃͼ¶¤°ÑÏðƤµÄÒ»¶Ë¹Ì¶¨ÔÚ°åÉϵÄAµã£¬ÔÚÏðƤÌõµÄÁíÒ»¶ËË©ÉÏÁ½ÌõϸÉþ£¬ÉþµÄÄ©¶ËϵºÃÉþÌ×£»
C£®ÓÃÁ½¸öµ¯»É²âÁ¦¼Æ·Ö±ð¹³×¡ÉþÌ×£¬»¥³É½Ç¶ÈµØÀÏðƤÌõ£¬Ê¹ÀÏðƤÉ쳤£¬½áµãµ½´ïijһλÖÃO£¬¼ÇÏÂOµãλÖ㬼ÇÏÂÁ½µ¯»É²âÁ¦¼ÆµÄ¶ÁÊýF1¡¢F2£»
D£®Ö»ÓÃÒ»¸öµ¯»É²âÁ¦¼Æ¹³×¡ÉþÌ×£¬Í¨¹ýϸÉþ°ÑÏðƤÌõÀÉ죬¶Á³öµ¯»É²âÁ¦¼ÆµÄ¶ÁÊýF¡ä£¬¼ÇÏÂϸÉþ·½ÏòOC£»
E£®°´Ñ¡ºÃµÄ±ê¶È´ÓOµãÑØÁ½ÉþµÄ·½Ïò×÷Á½·ÖÁ¦F1¡¢F2¡¢FµÄͼʾ£»
F£®ÔÙ°´Á¦µÄƽÐÐËıßÐζ¨Ôò×÷³ö×öF1ºÍF2µÄºÏÁ¦F£¬±È½ÏFºÍF¡ä£¬µÃ³ö½áÂÛ£»![¾«Ó¢¼Ò½ÌÍø](http://thumb.1010pic.com/pic3/upload/images/201311/155/cedf3fed.png)
¢ÙÔÚ±¾ÊµÑéÖУ¬ÏÂÁпÉÒÔ¼õСʵÑéÎó²îµÄ·½·¨ÊÇ
A£®Á½¸ö·ÖÁ¦F1ºÍF2µÄ¼Ð½Ç×îºÃ½Ó½ü180¡ã
B£®ÔÚµ¯»É²âÁ¦¼ÆµÄÁ¿³Ì·¶Î§ÄÚ£¬Á½¸ö·ÖÁ¦F1ºÍF2µÄ´óСҪÊʵ±´óЩ
C£®ÀÏðƤÌõµÄÉþÌ×Òª¶ÌһЩºÃ
D£®ÊµÑéÖе¯»É²âÁ¦¼Æ±ØÐëÓëľ°åƽÐУ¬¶ÁÊýÊÓÏßÒªÕý¶Ôµ¯»É²âÁ¦¼ÆµÄʾÊý
¢ÚÉÏÊöʵÑé²½ÖèÖУ¬
£¨a£©ÓÐÖØÒªÒÅ©µÄ²½ÖèÊÇ ºÍ £®
£¨b£©ÒÅ©µÄÄÚÈÝ·Ö±ðÊÇ £» £®
¢ÛÔÚ±ûͼÖл³öÁ¦µÄͼʾ£º
a£®ÈçͼÒÒËùʾ£¬Óõ¯»É²âÁ¦¼Æ²âµÃF¡ä= N£®£¨×¢Òâ¹À¶Á£©
b£®°´Í¬ÑùµÄ±ê¶È×÷³öÁ¦F¡äµÄͼʾ£®
c£®°´Á¦µÄƽÐÐËıßÐζ¨Ôò×÷³öF1¡¢F2µÄºÏÁ¦F£®
A£®×ÀÉÏ·ÅÒ»¿é·½Ä¾°å£¬ÔÚ·½Ä¾°åÉÏÆÌÒ»ÕÅ°×Ö½£¬ÓÃͼ¶¤°Ñ°×Ö½¶¤ÔÚ·½Ä¾°åÉÏ£»
B£®ÓÃͼ¶¤°ÑÏðƤµÄÒ»¶Ë¹Ì¶¨ÔÚ°åÉϵÄAµã£¬ÔÚÏðƤÌõµÄÁíÒ»¶ËË©ÉÏÁ½ÌõϸÉþ£¬ÉþµÄÄ©¶ËϵºÃÉþÌ×£»
C£®ÓÃÁ½¸öµ¯»É²âÁ¦¼Æ·Ö±ð¹³×¡ÉþÌ×£¬»¥³É½Ç¶ÈµØÀÏðƤÌõ£¬Ê¹ÀÏðƤÉ쳤£¬½áµãµ½´ïijһλÖÃO£¬¼ÇÏÂOµãλÖ㬼ÇÏÂÁ½µ¯»É²âÁ¦¼ÆµÄ¶ÁÊýF1¡¢F2£»
D£®Ö»ÓÃÒ»¸öµ¯»É²âÁ¦¼Æ¹³×¡ÉþÌ×£¬Í¨¹ýϸÉþ°ÑÏðƤÌõÀÉ죬¶Á³öµ¯»É²âÁ¦¼ÆµÄ¶ÁÊýF¡ä£¬¼ÇÏÂϸÉþ·½ÏòOC£»
E£®°´Ñ¡ºÃµÄ±ê¶È´ÓOµãÑØÁ½ÉþµÄ·½Ïò×÷Á½·ÖÁ¦F1¡¢F2¡¢FµÄͼʾ£»
F£®ÔÙ°´Á¦µÄƽÐÐËıßÐζ¨Ôò×÷³ö×öF1ºÍF2µÄºÏÁ¦F£¬±È½ÏFºÍF¡ä£¬µÃ³ö½áÂÛ£»
![¾«Ó¢¼Ò½ÌÍø](http://thumb.1010pic.com/pic3/upload/images/201311/155/cedf3fed.png)
¢ÙÔÚ±¾ÊµÑéÖУ¬ÏÂÁпÉÒÔ¼õСʵÑéÎó²îµÄ·½·¨ÊÇ
A£®Á½¸ö·ÖÁ¦F1ºÍF2µÄ¼Ð½Ç×îºÃ½Ó½ü180¡ã
B£®ÔÚµ¯»É²âÁ¦¼ÆµÄÁ¿³Ì·¶Î§ÄÚ£¬Á½¸ö·ÖÁ¦F1ºÍF2µÄ´óСҪÊʵ±´óЩ
C£®ÀÏðƤÌõµÄÉþÌ×Òª¶ÌһЩºÃ
D£®ÊµÑéÖе¯»É²âÁ¦¼Æ±ØÐëÓëľ°åƽÐУ¬¶ÁÊýÊÓÏßÒªÕý¶Ôµ¯»É²âÁ¦¼ÆµÄʾÊý
¢ÚÉÏÊöʵÑé²½ÖèÖУ¬
£¨a£©ÓÐÖØÒªÒÅ©µÄ²½ÖèÊÇ
£¨b£©ÒÅ©µÄÄÚÈÝ·Ö±ðÊÇ
¢ÛÔÚ±ûͼÖл³öÁ¦µÄͼʾ£º
a£®ÈçͼÒÒËùʾ£¬Óõ¯»É²âÁ¦¼Æ²âµÃF¡ä=
b£®°´Í¬ÑùµÄ±ê¶È×÷³öÁ¦F¡äµÄͼʾ£®
c£®°´Á¦µÄƽÐÐËıßÐζ¨Ôò×÷³öF1¡¢F2µÄºÏÁ¦F£®
·ÖÎö£º¢ÙΪÁËʹÁ½¸ùµ¯»É³ÓÀÁ¦µÄ×÷ÓÃЧ¹ûÓëÒ»¸ùµ¯»É³ÓÀÁ¦µÄ×÷ÓÃЧ¹ûÏàͬ£¬Á½´ÎÏðƤÌõÉ쳤µÄ³¤¶ÈÏàͬ£¬ÇÒÀµ½Í¬Ò»¸ö½áµã£¬ÎªÁ˼õСʵÑéÎó²î£¬ÀÏðƤÌõµÄϸÉþÒª³¤Ð©£¬±ê¼Ç·½ÏòµÄÁ½µãҪԶЩ£®ÀÁ¦µÄ¼Ð½ÇÊʵ±´óһЩ£¬Òò´ËÃ÷ȷʵÑéÔÀí£¬Á˽â²Ù×÷ϸ½Ú¼´¿ÉÕýÈ·½â´ð£®
¢Ú²½ÖèCÖÐÖ»ÓмÇÏÂÁ½ÌõϸÉþµÄ·½Ïò£¬²ÅÄÜÈ·¶¨Á½¸ö·ÖÁ¦µÄ·½Ïò£¬½øÒ»²½²ÅÄܸù¾ÝƽÐÐËıßÐζ¨ÔòÇóºÏÁ¦£»²½ÖèDÖÐÖ»ÓÐʹ½áµãµ½´ïͬÑùµÄλÖÃO£¬²ÅÄܱíʾÁ½ÖÖÇé¿öÏÂÁ¦µÄ×÷ÓÃЧ¹ûÏàͬ£¬ÓÉ´Ë¿ÉÕýÈ·½â´ð£®
¢Û¸ù¾Ýµ¯»É³ÓµÄ¾«¶È¿ÉÒÔÕýÈ·¶ÁÊý£¬×öÁ¦µÄͼʾʱҪעÒâ´óС¡¢·½Ïò¡¢×÷Óõ㣬¸ù¾ÝÁ¦µÄƽÐÐËıßÐζ¨Ôò¿É×÷³öF1¡¢F2µÄºÏÁ¦F£®
¢Ú²½ÖèCÖÐÖ»ÓмÇÏÂÁ½ÌõϸÉþµÄ·½Ïò£¬²ÅÄÜÈ·¶¨Á½¸ö·ÖÁ¦µÄ·½Ïò£¬½øÒ»²½²ÅÄܸù¾ÝƽÐÐËıßÐζ¨ÔòÇóºÏÁ¦£»²½ÖèDÖÐÖ»ÓÐʹ½áµãµ½´ïͬÑùµÄλÖÃO£¬²ÅÄܱíʾÁ½ÖÖÇé¿öÏÂÁ¦µÄ×÷ÓÃЧ¹ûÏàͬ£¬ÓÉ´Ë¿ÉÕýÈ·½â´ð£®
¢Û¸ù¾Ýµ¯»É³ÓµÄ¾«¶È¿ÉÒÔÕýÈ·¶ÁÊý£¬×öÁ¦µÄͼʾʱҪעÒâ´óС¡¢·½Ïò¡¢×÷Óõ㣬¸ù¾ÝÁ¦µÄƽÐÐËıßÐζ¨Ôò¿É×÷³öF1¡¢F2µÄºÏÁ¦F£®
½â´ð£º½â£º¢ÙA¡¢¸ù¾ÝƽÐÐËıßÐζ¨Ôò¿ÉÖª¼Ð½Ç̫С½«»áµ¼ÖÁºÏÁ¦¹ý´ó£¬µ¼ÖÂÒ»¸öµ¯»ÉÀʱ¿ÉÄܳ¬¹ýÁ¿³Ì£¬Èô¼Ð½ÇÌ«´ó£¬µ¼ÖºÏÁ¦Ì«Ð¡£¬µ¼ÖÂÎó²îÔö´ó£¬¹Ê¼Ð½Ç²»ÄÜ̫С»òÌ«´ó£¬Êʵ±¼´¿É£¬¹ÊA´íÎó£»
B¡¢ÊµÑéÊÇͨ¹ý×÷ͼµÃ³ö½á¹û£¬¹ÊÔÚ²»³¬³öÁ¿³ÌµÄÇé¿öÏÂΪÁ˼õСÎó²îÓ¦ÈÃÀÁ¦¾¡Á¿´óЩ£¬¹ÊBÕýÈ·£»
C¡¢ÎªÁË׼ȷ¼ÇÏÂÀÁ¦µÄ·½Ïò£¬¹Ê²ÉÓÃÁ½µãÃèÏßʱÁ½µãÓ¦¾¡Á¿¾àÀë´óһЩ£¬¹ÊϸÉþÓ¦³¤Ð©£¬¹ÊC´íÎó£»
D¡¢ÎªÁË·ÀÖ¹³öÏÖ·ÖÁ¦µÄÇé¿ö£¬Ó¦Èø÷Á¦¾¡Á¿Ìù½üľ°å£¬ÇÒÓëľ°åƽÐУ¬Í¬Ê±£¬¶ÁÊýʱÊÓÏßÒªÕý¶Ôµ¯»É³Ó¿Ì¶È£¬¹ÊDÕýÈ·£»
¹ÊÑ¡£ºBD£®
¢ÚÁ¦µÄºÏ³É×ñÑƽÐÐËıßÐζ¨Ôò£¬Á¦µÄͼʾ·¨¿ÉÒÔ±íʾ³öÁ¦µÄ´óС¡¢·½ÏòºÍ×÷Óõ㣬Òò¶øÒª±íʾ³ö·ÖÁ¦£¬±ØÐÞÏȲâÁ¿³öÆä´óСºÍ·½Ïò£¬¹Ê²½ÖèCÖÐÒÅ©ÁË·½Ïò£»ºÏÁ¦Óë·ÖÁ¦ÊÇÒ»ÖÖµÈЧÌæ´úµÄ¹Øϵ£¬Ìæ´úµÄÇ°ÌáÊǵÈЧ£¬ÊµÑéÖкÏÁ¦Óë·ÖÁ¦Ò»¶¨²úÉúÏàͬµÄÐαäЧ¹û£¬¹Ê²½ÖèDÖÐÒÅ©ÁËʹ½áµãµ½´ïͬÑùµÄλÖã®
¢Ûa¡¢´Ëµ¯»É³ÓµÄ×îС¾«¶ÈΪ0.1N£¬Òò´Ë¶ÁÊýΪ£º4.00N£®
b¡¢°´Á¦µÄͼʾ·½·¨×÷³öÁ¦FµÄͼʾÈçÏÂͼËùʾ£º
c¡¢¸ù¾ÝÁ¦µÄƽÐÐËıßÐζ¨Ôò£¬×÷³öF1¡¢F2µÄºÏÁ¦F¡ä£¬ÈçÏÂͼËùʾ£º
![¾«Ó¢¼Ò½ÌÍø](http://thumb.1010pic.com/pic3/upload/images/201401/99/121095f8.png)
¹Ê´ð°¸Îª£º¢ÙBD ¢Ú£¨a£©C D £¨b£©²¢¼ÇÏÂÁ½ÌõϸÉþµÄ·½Ïò£»°ÑÏðƤ½îºÍϸÉþµÄ½áµãÀµ½²½ÖèCÖеġ°O¡±Î»Ö㮢Ûa¡¢4.00N£¬b¡¢c¡¢Í¼ÈçÉÏËùʾ£®
B¡¢ÊµÑéÊÇͨ¹ý×÷ͼµÃ³ö½á¹û£¬¹ÊÔÚ²»³¬³öÁ¿³ÌµÄÇé¿öÏÂΪÁ˼õСÎó²îÓ¦ÈÃÀÁ¦¾¡Á¿´óЩ£¬¹ÊBÕýÈ·£»
C¡¢ÎªÁË׼ȷ¼ÇÏÂÀÁ¦µÄ·½Ïò£¬¹Ê²ÉÓÃÁ½µãÃèÏßʱÁ½µãÓ¦¾¡Á¿¾àÀë´óһЩ£¬¹ÊϸÉþÓ¦³¤Ð©£¬¹ÊC´íÎó£»
D¡¢ÎªÁË·ÀÖ¹³öÏÖ·ÖÁ¦µÄÇé¿ö£¬Ó¦Èø÷Á¦¾¡Á¿Ìù½üľ°å£¬ÇÒÓëľ°åƽÐУ¬Í¬Ê±£¬¶ÁÊýʱÊÓÏßÒªÕý¶Ôµ¯»É³Ó¿Ì¶È£¬¹ÊDÕýÈ·£»
¹ÊÑ¡£ºBD£®
¢ÚÁ¦µÄºÏ³É×ñÑƽÐÐËıßÐζ¨Ôò£¬Á¦µÄͼʾ·¨¿ÉÒÔ±íʾ³öÁ¦µÄ´óС¡¢·½ÏòºÍ×÷Óõ㣬Òò¶øÒª±íʾ³ö·ÖÁ¦£¬±ØÐÞÏȲâÁ¿³öÆä´óСºÍ·½Ïò£¬¹Ê²½ÖèCÖÐÒÅ©ÁË·½Ïò£»ºÏÁ¦Óë·ÖÁ¦ÊÇÒ»ÖÖµÈЧÌæ´úµÄ¹Øϵ£¬Ìæ´úµÄÇ°ÌáÊǵÈЧ£¬ÊµÑéÖкÏÁ¦Óë·ÖÁ¦Ò»¶¨²úÉúÏàͬµÄÐαäЧ¹û£¬¹Ê²½ÖèDÖÐÒÅ©ÁËʹ½áµãµ½´ïͬÑùµÄλÖã®
¢Ûa¡¢´Ëµ¯»É³ÓµÄ×îС¾«¶ÈΪ0.1N£¬Òò´Ë¶ÁÊýΪ£º4.00N£®
b¡¢°´Á¦µÄͼʾ·½·¨×÷³öÁ¦FµÄͼʾÈçÏÂͼËùʾ£º
c¡¢¸ù¾ÝÁ¦µÄƽÐÐËıßÐζ¨Ôò£¬×÷³öF1¡¢F2µÄºÏÁ¦F¡ä£¬ÈçÏÂͼËùʾ£º
![¾«Ó¢¼Ò½ÌÍø](http://thumb.1010pic.com/pic3/upload/images/201401/99/121095f8.png)
¹Ê´ð°¸Îª£º¢ÙBD ¢Ú£¨a£©C D £¨b£©²¢¼ÇÏÂÁ½ÌõϸÉþµÄ·½Ïò£»°ÑÏðƤ½îºÍϸÉþµÄ½áµãÀµ½²½ÖèCÖеġ°O¡±Î»Ö㮢Ûa¡¢4.00N£¬b¡¢c¡¢Í¼ÈçÉÏËùʾ£®
µãÆÀ£ºÕÆÎÕ¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¡±µÄʵÑéÔÀíºÍʵÑé²½Ö裬ͬʱעÒâÖ»ÓÐͨ¹ý¾ßÌåʵ¼ù£¬²ÅÄÜÕæÕýµÄÀí½â¾ßÌåʵÑé²Ù×÷ϸ½ÚµÄÒâÒ壬Òò´ËƽʱͬѧÃÇÓ¦¸Ã¼ÓǿʵÑéʵ¼ù£¬¶ø²»ÊÇ¿Õ¶´µÄ¼ÇÒäʵÑ飮
![](http://thumb2018.1010pic.com/images/loading.gif)
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿