ÌâÄ¿ÄÚÈÝ
17£®¡°Ì½¾¿ºÏÁ¦Óë·ÖÁ¦µÄ¹Øϵ¡±µÄʵÑéÈçͼ¼×Ëùʾ£¬ÆäÖÐAΪ¹Ì¶¨ÏðƤÌõµÄͼ¶¤£¬PΪÏðƤÌõÓëϸÉþµÄ½áµã£¬ÓÃÁ½°Ñ»¥³É½Ç¶ÈµÄµ¯»É³Ó°Ñ½áµãPÀµ½Î»ÖÃO£®¢Ù´Óͼ¼×¿É¶ÁµÃµ¯»É³ÓBµÄʾÊýΪ3.80N£®
¢ÚΪÁ˸ü׼ȷµÃµ½ºÏÁ¦Óë·ÖÁ¦µÄ¹Øϵ£¬Òª²ÉÓÃ×÷Á¦µÄͼʾ£¨Ìͼʾ¡±»ò¡°Ê¾Òâͼ¡±£©À´±íʾ·ÖÁ¦ÓëºÏÁ¦£®
¢ÛͼÒÒÖÐÀíÂÛÉÏÓëF1¡¢F2Ч¹ûÏàͬµÄÁ¦ÊÇF¡ä£¨Ìî¡°F¡±»ò¡°F¡ä¡±£©£®
¢ÜͼÒÒÖз½ÏòÒ»¶¨ÑØAO·½ÏòµÄÁ¦ÊÇF¡ä£¨Ìî¡°F¡±»ò¡°F¡ä¡±£©£®
·ÖÎö ¢ÙʹÓõ¯»É²âÁ¦¼Æʱ£¬Ê×ÏÈÒªÃ÷È·Æä·Ö¶ÈÖµ£¬¶ÁÊýʱÊÓÏßÓëÖ¸ÕëËùÔÚ¿ÌÏßÏà´¹Ö±£®
¢ÚÁ¦µÄͼʾÄܱíʾ³öÁ¦µÄ¸÷¸öÒªËØ£¬Á¦µÄʾÒâͼֻ±íʾÁ¦µÄ·½ÏòºÍ×÷Óõ㣮
¢ÛÓëÁ½¸öÁ¦µÄЧ¹ûÏàͬµÄÁ¦ÊÇÓÃÒ»¸öµ¯»É³ÓÀʱµÄÀÁ¦£®
¢ÜͼÒÒÖз½ÏòÒ»¶¨ÑØAO·½ÏòµÄÁ¦ÊÇʵÑéÖеġ°Êµ¼ÊÖµ¡±£®
½â´ð ½â£º¢Ùµ¯»É²âÁ¦¼ÆÉÏ1NÖ®¼äÓÐ5¸öС¸ñ£¬ËùÒÔÒ»¸öС¸ñ´ú±í0.2N£¬¼´´Ëµ¯»É²âÁ¦¼ÆµÄ·Ö¶ÈֵΪ0.2N£®´ËʱָÕëÖ¸ÔÚ¡°3.80¡±´¦£¬ËùÒÔµ¯»É²âÁ¦¼ÆµÄʾÊýΪ3.80N£®
¢ÚÁ¦µÄʾÒâͼֻ±íʾÁ¦µÄ·½ÏòºÍ×÷Óõ㣬¶øÁ¦µÄͼʾ¿ÉÒԱȽÏ׼ȷµÄ±íʾ³öÁ¦µÄ´óС¡¢·½Ïò¡¢×÷Óõ㣬¹ÊΪÁ˸ü׼ȷµÃµ½ºÏÁ¦Óë·ÖÁ¦µÄ¹Øϵ£¬Òª²ÉÓÃ×÷Á¦µÄͼʾ£®
¢ÛÓëÁ½¸öÁ¦µÄЧ¹ûÏàͬµÄÁ¦ÊÇÓÃÒ»¸öµ¯»É³ÓÀʱµÄÀÁ¦F¡ä£®
¢ÜF¡äÊÇͨ¹ýÒ»¸öµ¯»É³ÆÑØAO·½ÏòÀÏðƤÌõ£¬Ê¹ÏðƤÌõÉ쳤µ½Oµã£¬Æä·½ÏòÒ»¶¨ÑØAO·½Ïò£¬
FÊÇͨ¹ý×÷ͼµÄ·½·¨µÃµ½ºÏÁ¦µÄÀíÂÛÖµ£¬ÓÉÓÚÎó²îµÄ´æÔÚFÓëAO·½Ïò¼´Êµ¼ÊÖµF¡ä·½ÏòÒªÓÐÒ»¶¨¼Ð½Ç£®
¹Ê´ð°¸Îª£º¢Ù3.8£»¢Úͼʾ£»¢ÛF¡ä£»¢ÜF¡ä£®
µãÆÀ ±¾ÊµÑé²ÉÓõÄÊÇ¡°µÈЧÌæ´ú¡±µÄ·½·¨£¬¼´Ò»¸öºÏÁ¦Ó뼸¸ö·ÖÁ¦¹²Í¬×÷ÓõÄЧ¹ûÏàͬ£¬¿ÉÒÔ»¥ÏàÌæ´ú£¬Ã÷È·¡°ÀíÂÛÖµ¡±ºÍ¡°ÊµÑéÖµ¡±µÄÇø±ð£®
A£® | S¶Ï¿ªÊ±µçÈÝÆ÷µÄµçѹΪ3V | |
B£® | S¶Ï¿ªÊ±µçÈÝÆ÷a¼«°å´ø¸ºµç | |
C£® | SºÏÉϵç·Îȶ¨ºóµçÈÝÆ÷b¼«°å´ø¸ºµç | |
D£® | ´ÓS¶Ï¿ªµ½ºÏÉÏ¿ª¹ØSÇÒµç·Îȶ¨ºó£¬Á÷¹ýµçÁ÷±íµÄµçÁ¿Îª1.92¡Á10-5C |