ÌâÄ¿ÄÚÈÝ

£¨1£©ÈçͼÊÇÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò×°Ö㬽«Ò»¸ùÏðƤ½îµÄÒ»¶Ë¹Ì¶¨ÔÚAÉÏ£®µÚÒ»´Îͨ¹ýϸÏßÐüµõ4¸ö¹³Âëʱ£¬ÏðƤ½îµÄÁíÒ»¶Ë±»À­Éìµ½O´¦(ͼ¼×)£»µÚ¶þ´ÎÔÚľ°åÉϹ̶¨ÁËÁ½¸ö¹â»¬Ð¡ÂÖBºÍC£¬Ï¸Ïßͨ¹ýÁ½ÂÖ·Ö±ðÐü¹Ò2¸öºÍ3¸ö¹³Â룬·¢ÏÖÏðƤ½îÑØAO·½ÏòÉ쳤µ«ÁíÒ»¶ËO¡äÓëO»¹Î´ÖغÏ(ͼÒÒ)£®

¢ÙΪÁËʹO¡äÓëOµãÄܹ»Öغϣ¬ËûÓ¦¸Ã½«Ð¡ÂÖB¡¢CÊʵ±Ïò       £¨Ìî¡°ÉÏ·½¡±»ò¡°Ï·½¡±£©Òƶ¯£»
¢ÚʵÑé¹ý³Ì³ý¼Ç¼ÏðƤ½îÓëϸÏß½áµãµÄλÖÃOÍ⣬»¹Ðè¼Ç¼                         ºÍ                        .
£¨2£©Ä³Ñ§Ï°Ð¡×é×ö̽¾¿ÍâÁ¦×ö¹¦ÓëÎïÌ嶯Äܱ仯µÄ¹ØϵʵÑ飬ÔÚʵÑéÊÒ×é×°ÁËÒ»Ì×ÈçͼËùʾµÄ×°Öã¬ËûÃÇÕÒµ½ÁË´òµã¼ÆʱÆ÷¡¢Ñ§ÉúµçÔ´¡¢µ¼Ïß¡¢¸´Ð´Ö½¡¢Ö½´ø¡¢Ð¡Ä¾¿é¡¢Ï¸É³¡¢ÌìƽºÍ¿Ì¶È³ßµÈ¡£ÈôÄãÊÇС×éÖеÄһλ³ÉÔ±£¬Íê³É¸ÃÏîʵÑéµÄÁ½¸ö²½Ö裺

¢Ùµ±»¬¿éÁ¬½ÓÉÏÖ½´ø£¬ÓÃϸÏßͨ¹ý»¬ÂÖ¹ÒÉÏСɳͰʱ£¬ÏÈ        £¬ÔÙ        £¨Ìî¡°ÊÍ·ÅɳͰ¡±»ò¡°½ÓͨµçÔ´¡±£©£¬Ê¹»¬¿é´ø¶¯Ö½´øÔÚľ°åÉÏÔ˶¯£»
¢ÚʵÑéʱÈÏΪºÏÍâÁ¦ÓëɳͰµÄ×ÜÖØÁ¦´óС»ù±¾ÏàµÈ£¬ÓÃÌìƽ³ÆÁ¿»¬¿éµÄÖÊÁ¿ÎªM£¬ÍùɳͰÖÐ×°ÈëÊÊÁ¿µÄϸɳ£¬ÓÃÌìƽ³Æ³ö´ËʱɳºÍɳͰµÄ×ÜÖÊÁ¿Îªm£¬ÈÃɳͰ´ø¶¯»¬¿é¼ÓËÙÔ˶¯¡£Óôòµã¼ÆʱÆ÷¼Ç¼ÆäÔ˶¯Çé¿ö£¬ÔÚ´òµã¼ÆʱÆ÷´ò³öµÄÖ½´øÉÏÈ¡Á½µã£¬²â³öÕâÁ½µãµÄ¼ä¾àLºÍÕâÁ½µãµÄËٶȴóСv1Óëv2(v1£¼v2)¡£Ôò±¾ÊµÑé×îÖÕÒªÑéÖ¤µÄÊýѧ±í´ïʽΪ£º______________________________________¡££¨ÓÃÌâÖеÄ×Öĸ±íʾʵÑéÖвâÁ¿µÃµ½µÄÎïÀíÁ¿£©
£¨1£©¢ÙÏ·½¢Ú ¹³Âë¸öÊý£¨»òϸÏßÀ­Á¦£©£¬Ï¸Ïß·½Ïò £¨2£©¢Ù½ÓͨµçÔ´£¬ÊÍ·ÅɳͰ¢Ú mgL£½Mv22£­Mv12

ÊÔÌâ·ÖÎö£º£¨1£©¢ÙÓÉÒÒͼ¿ÉÖª£¬Á½¸ö·ÖÁ¦µÄ´óС²»±ä£¬ÒªÊ¹ÆäºÏÁ¦Ôö´ó£¬Ó¦¸Ã¼õСÁ½·ÖÁ¦µÄ¼Ð½Ç£¬¹Ê¸Ã½«Ð¡ÂÖB¡¢CÊʵ±ÏòÏ·½Òƶ¯£®¢Ú¸ù¾ÝʵÑéÔ­Àí¿ÉÖªÐèÒª¸ù¾ÝÁ½·½·ÖÁ¦µÄ´óСºÍ·½Ïò×öƽÐÐËıßÐΣ¬¹ÊÐèÒª¼Ç¼·ÖÁ¦µÄ´óСºÍ·½Ïò£¬´óСÊÇͨ¹ý¼Ç¼¹³Âë¸öÊýÀ´ÊµÏֵģ¬¶ø·½ÏòÊÇͨ¹ý¼Ç¼ϸÏß·½ÏòÀ´¼Ç¼µÄ£®
£¨2£©¢ÙΪÁ˵õ½¸ü¶àµÄʵÑéÊý¾Ý£¬ÐèÒªÏȽÓͨµçÔ´ºóÊÍ·ÅɳͰ£¬
¢ÚÖØÁ¦ÊÆÄܵļõСÁ¿µÈÓÚ¶¯ÄܵÄÔö¼ÓÁ¿£¬¹ÊÐèÒªÑéÖ¤
µãÆÀ£º¶ÔÓÚ»ù´¡ÊµÑé²»¹âÒª´ÓÔ­ÀíÉÏÀí½â£¬»¹Òª¼Óǿʵ¼Ê²Ù×÷£¬Ìá¸ß¶¯ÊÖÄÜÁ¦£¬Á˽â²Ù×÷ϸ½Ú£¬Í¬Ê±¼ÓÇ¿»ù´¡ÎïÀí֪ʶÔÚʵÑéÖеÄÓ¦Óã®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
£¨1£©Í¼Îª¡°ÑéÖ¤»úеÄÜÊغ㶨ÂÉ¡±µÄʵÑé×°Öã¬ÏÂÁÐÄÄЩ˵·¨ÊÇÕýÈ·µÄ(     )

A£®ÊµÑéʱӦѡÓÃÃܶȴóÌå»ýС£¬²¢ÇÒ϶ËÓÐÏ𽺵æµÄÖØ´¸
B£®ÊµÑéʱ,µ±ËÉ¿ªÖ½´øÈÃÖØ´¸ÏÂÂäͬʱ,Á¢¼´½ÓͨµçÔ´.
C£®ÒªÑ¡ÓõÚ1¡¢2µã¼ä¾àÀë½Ó½ü2mmµÄÖ½´ø
D£®ÊµÑé½á¹û×ÜÊǶ¯ÄܵÄÔöÁ¿ÂÔ´óÓÚÖØÁ¦ÊÆÄܵļõСÁ¿.
E¡¢Ö½´øµÄÉ϶ËÓüÐ×Ó¼Ðס±ÈÓÃÊÖÀ­×¡ÒªºÃ
£¨2£©ÔÚ¡°ÑéÖ¤»úеÄÜÊغ㶨ÂÉ¡±µÄʵÑéÖУ¬ËùÓõçÔ´µÄƵÂÊΪ50Hz£¬Ä³Í¬Ñ§Ñ¡ÔñÁËÒ»ÌõºÏÀíµÄÖ½´ø£¬Óÿ̶ȳ߲âÁ¿Ê±¸÷¼ÆÊýµã¶ÔÓ¦¿Ì¶È³ßÉϵĶÁÊýÈçͼËùʾ£¬ÊýÖµµÄµ¥Î»ÊÇmm£»Í¼ÖÐOµãÊÇ´òµã¼ÆʱÆ÷´ò³öµÄµÚÒ»¸öµã£¬A¡¢B¡¢C¡¢D¡¢E·Ö±ðÊÇÿ´òÁ½¸öµãÈ¡³öµÄ¼ÆÊýµã¡£ÉèÖØÎïµÄÖÊÁ¿Îª1kg£¬(µ±µØÖØÁ¦¼ÓËÙ¶Èg=9.8m/s2.)

¢ÙÖØÎï´Ó¿ªÊ¼ÏÂÂäµ½¼ÆʱÆ÷´òBµãʱ£¬¼õÉÙµÄÖØÁ¦ÊÆÄÜ=____________J¡£
¢ÚÖØÎïÏÂÂäµ½¼ÆʱÆ÷´òBµãʱÔö¼ÓµÄ¶¯ÄÜ__________J£¨±£ÁôÈýλÓÐЧÊý×Ö£©
¢Û¸ù¾ÝÖ½´øÌṩµÄÊý¾Ý£¬ÔÚÎó²îÔÊÐíµÄ·¶Î§ÄÚ£¬ÖØ´¸´Ó¾²Ö¹¿ªÊ¼µ½´ò³öBµãµÄ¹ý³ÌÖУ¬µÃµ½µÄ½áÂÛÊÇ                        ¡£
£¨1£©¡°æ϶ðÒ»ºÅ¡±ºÍ¡°æ϶ð¶þºÅ¡±ÎÀÐÇÏà¼ÌÍê³ÉÁ˶ÔÔÂÇòµÄ»·Ô·ÉÐУ¬±êÖ¾×ÅÎÒ¹ú̽Ô¹¤³ÌµÄµÚÒ»½×¶ÎÒѾ­Íê³É¡£Éè¡°æ϶ð¶þºÅ¡±ÎÀÐÇ»·ÈÆÔÂÇòµÄÔ˶¯ÎªÔÈËÙÔ²ÖÜÔ˶¯£¬Ëü¾àÔÂÇò±íÃæµÄ¸ß¶ÈΪh£¬ÒÑÖªÔÂÇòµÄÖÊÁ¿ÎªM¡¢°ë¾¶ÎªR£¬ÒýÁ¦³£Á¿ÎªG£¬ÔòÎÀÐÇÈÆÔÂÇòÔ˶¯µÄÏòÐļÓËÙ¶Èa=      £¬ÏßËÙ¶Èv=       ¡£
£¨2£©Ä³ÊµÑéС×éÀûÓÃͼʾµÄ×°ÖÃ̽¾¿¼ÓËÙ¶ÈÓëÁ¦¡¢ÖÊÁ¿µÄ¹Øϵ¡£

¢ÙÏÂÁÐ×ö·¨ÕýÈ·µÄÊÇ                £¬£¨Ìî×Öĸ´úºÅ£©
A.µ÷½Ú»¬Âֵĸ߶ȣ¬Ê¹Ç£Òýľ¿éµÄϸÉþÓ볤ľ°å±£³ÖƽÐÐ
B.ÔÚµ÷½Úľ°åÇãб¶Èƽºâľ¿éÊܵ½µÄ»¬¶¯Ä¦²ÁÁ¦Ê±£¬½«×°ÓÐíÀÂëµÄíÀÂëͰͨ¹ý¶¨»¬ÂÖË©ÔÚľ¿éÉÏ
C.ʵÑéʱ£¬ÏÈ·Å¿ªÄ¾¿éÔÙ½Óͨ´òµã¼ÆʱÆ÷µÄµçÔ´
D.ͨ¹ýÔö¼õľ¿éÉϵÄíÀÂë¸Ä±äÖÊÁ¿Ê±£¬²»ÐèÒªÖØе÷½Úľ°åÇãб¶È
¢ÚΪʹíÀÂëÍ°¼°Í°ÄÚíÀÂëµÄ×ÜÖØÁ¦ÔÚÊýÖµÉϽüËƵÈÓÚľ¿éÔ˶¯Ê±Êܵ½µÄÀ­Á¦£¬Ó¦Âú×ãµÄÌõ¼þÊÇíÀÂëÍ°¼°Í°ÄÚíÀÂëµÄ×ÜÖÊÁ¿                  Ä¾¿éºÍľ¿éÉÏíÀÂëµÄ×ÜÖÊÁ¿¡££¨Ìî¡°Ô¶´óÓÚ¡±¡¢¡°Ô¶Ð¡ÓÚ¡±»ò¡°½üËƵÈÓÚ¡°£©
¢Û¼×¡¢ÒÒÁ½Í¬Ñ§ÔÚͬһʵÑéÊÒ£¬¸÷È¡Ò»Ì×ͼʾµÄ×°Ö÷ÅÔÚˮƽ×ÀÃæÉÏ£¬Ä¾¿éÉϾù²»·ÅíÀÂ룬ÔÚûÓÐƽºâĦ²ÁÁ¦µÄÇé¿öÏ£¬Ñо¿¼ÓËÙ¶ÈaÓëÀ­Á¦FµÄ¹Øϵ£¬·Ö±ðµÃµ½Í¼Öмס¢ÒÒÁ½ÌõÖ±Ïß¡£Éè¼×¡¢ÒÒÓõÄľ¿éÖÊÁ¿·Ö±ðΪm¼×¡¢mÒÒ£¬¼×¡¢ÒÒÓõÄľ¿éÓëľ°å¼äµÄ¶¯Ä¦²ÁÒòÊý·Ö±ðΪ¦Ì¼×¡¢¦ÌÒÒ£¬ÓÉͼ¿ÉÖª£¬m¼×        mÒÒ£¬¦Ì¼×      ¦ÌÒÒ¡££¨Ìî¡°´óÓÚ¡±¡¢¡°Ð¡ÓÚ¡±»ò¡°µÈÓÚ¡±£©

£¨3£©Òª²â»æÒ»¸ö±êÓС°3V  0.6W¡±Ð¡µÆÅݵķü°²ÌØÐÔÇúÏߣ¬µÆÅÝÁ½¶ËµÄµçѹÐèÒªÓÉÁãÖð½¥Ôö¼Óµ½3V£¬²¢±ãÓÚ²Ù×÷¡£ÒÑÑ¡ÓõÄÆ÷²ÄÓУº
µç³Ø×飨µç¶¯ÊÆΪ4.5V£¬ÄÚ×èÔ¼1¦¸£©£»
µçÁ÷±í£¨Á¿³ÌΪ0250mA£¬ÄÚ×èÔ¼5¦¸£©£»
µçѹ±í£¨Á¿³ÌΪ03V£¬ÄÚ×èÔ¼3k¦¸£©£»
µç¼üÒ»¸ö¡¢µ¼ÏßÈô¸É¡£
¢ÙʵÑéÖÐËùÓõĻ¬¶¯±ä×èÆ÷ӦѡÏÂÁÐÖÐµÄ      £¨Ìî×Öĸ´úºÅ£©¡£
A.»¬¶¯±ä×èÆ÷£¨×î´ó×èÖµ20¦¸£¬¶î¶¨µçÁ÷1A£©
B.»¬¶¯±ä×èÆ÷£¨×î´ó×èÖµ1750¦¸£¬¶î¶¨µçÁ÷0.3A£©
¢ÚʵÑéµÄµç·ͼӦѡÓÃÏÂÁеÄͼ            £¨Ìî×Öĸ´úºÅ£©¡£

¢ÛʵÑéµÃµ½Ð¡µÆÅݵķü°²ÌØÐÔÇúÏßÈçͼËùʾ¡£Èç¹û½«Õâ¸öСµÆÅݽӵ½µç¶¯ÊÆΪ1.5V£¬ÄÚ×èΪ5¦¸µÄµçÔ´Á½¶Ë£¬Ð¡µÆÅÝÏûºÄµÄ¹¦ÂÊÊÇ                  W¡£

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø