ÌâÄ¿ÄÚÈÝ

£¨1£©£¨8·Ö£©ÈçͼËùʾΪ¡°Ì½¾¿¼ÓËÙ¶ÈÓëÎïÌåËùÊܺÏÍâÁ¦µÄ¹Øϵ¡±µÄʵÑé×°ÖÃͼ¡£Í¼ÖÐС³µAµÄÖÊÁ¿Îªm1£¬Á¬½ÓÔÚС³µºóµÄÖ½´ø´©¹ýµç»ð»¨´òµã¼ÆʱÆ÷B£¬ËüÃǾùÖÃÓÚˮƽ·ÅÖÃÒ»¶Ë´øÓж¨»¬ÂÖÇÒ×ã¹»³¤µÄľ°åÉÏ£¬ÖØÎïpµÄÖÊÁ¿Îªm2 £¬ CΪ²âÁ¦´«¸ÐÆ÷£¬ÊµÑéʱ¸Ä±äpµÄÖÊÁ¿£¬¿ÉÒÔ¶Á³ö²âÁ¦Æ÷²»Í¬¶ÁÊýF£¬²»¼ÆÉþÓ뻬ÂÖµÄĦ²Á¡£

¢ÙΪÁ˼õС³¤Ä¾°å¶ÔС³µÄ¦²ÁÁ¦µÄÓ°Ï죬±ØÐëÏÈ    £¨Ìî¡°¹Ò¡±»òÕß¡°²»¹Ò¡±£©ÖØÎïp£¬ÔÚ³¤Ä¾°åÔ¶À뻬ÂÖµÄÒ»¶ËÏÂÃæµæÒ»¿éľ¿é£¬·´¸´Òƶ¯Ä¾¿éµÄλÖã¬ÓÃÊÖÇáÍÆС³µ£¬Ö±µ½´òµã¼ÆʱÆ÷´ò³öһϵÁР         µÄµã¡£
¢ÚÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ
A£®µç»ð»¨´òµã¼ÆʱÆ÷Ó¦½Ó4-6VµÍѹ½»Á÷µçÔ´
B£®ÊµÑéʱӦÏȽÓͨµçÔ´ºóÊÍ·ÅС³µ
C£®ÊµÑéÖÐm2ӦԶСÓÚm1
D£®²âÁ¦¼ÆµÄ¶ÁÊýʼÖÕΪ 
¢ÛÏÂͼΪij´ÎʵÑéµÃµ½µÄÖ½´ø£¬ÏàÁÚ¼ÆÊýµã¼ä»¹ÓÐËĸöµãûÓл­³ö¡£´ÓͼÖжÁ³öABÁ½µã¼ä¾às=__________cm£»

¢ÜÓÉ´Ë¿ÉÇóµÃС³µµÄ¼ÓËٶȵĴóСÊÇ       ¡££¨½»Á÷µçµÄƵÂÊΪ50Hz£¬½á¹û±£Áô¶þλÓÐЧÊý×Ö£©
£¨2£©ÔÚ¡°Ãè»æСµÆÅݵķü°²ÌØÐÔÇúÏß¡±ÊµÑéÖУ¬Òª²âÁ¿Ò»¸ö±êÓС°3V 1.5W¡±µÄµÆÅÝÁ½¶ËµÄµçѹºÍͨ¹ýËüµÄµçÁ÷£¬ÏÖÓÐÈçÏÂÆ÷²Ä£º
A£®Ö±Á÷µçÁ÷±í0¡«3A£¨ÄÚ×èÔ¼0.1¦¸£©   B£®Ö±Á÷µçÁ÷±í0¡«600mA£¨ÄÚ×èÔ¼0.5¦¸£©
C£®Ö±Á÷µçѹ±í0¡«3V£¨ÄÚ×èÔ¼3k¦¸£©    D£®Ö±Á÷µçѹ±í0¡«15V£¨ÄÚ×èÔ¼200k¦¸£©
E£®»¬¶¯±ä×èÆ÷£¨10¦¸£¬1A£©            F£®»¬¶¯±ä×èÆ÷£¨1k¦¸£¬300mA£©
¢Ù³ýµçÔ´¡¢¿ª¹Ø¡¢µ¼ÏßÍ⣬ΪÍê³ÉʵÑ飬ÐèÒª´ÓÉÏÊöÆ÷²ÄÖÐÑ¡Óà ¡¡ £¨Ìî×Öĸ´úºÅ£©¡£
¢ÚijͬѧÓõ¼Ïßa¡¢b¡¢c¡¢d¡¢e¡¢f¡¢gºÍhÁ¬½ÓµÄµç·Èçͼ×óËùʾ£¬µç·ÖÐËùÓÐÔªÆ÷¼þ¶¼ÊÇÍêºÃµÄ£¬ÇÒµçѹ±íºÍµçÁ÷±íÒѵ÷Áã¡£±ÕºÏ¿ª¹Øºó·¢ÏÖµçѹ±íµÄʾÊýΪ2V£¬µçÁ÷±íµÄʾÊýΪÁ㣬СµÆÅݲ»ÁÁ£¬Ôò¿ÉÅж϶Ï·µÄµ¼ÏßÊÇ      ¡¡£¨Ìî×Öĸ´úºÅ£©¡£

¢Û¸ÃͬѧÔÚʵÑéÖвâµÃ¶à×éÊý¾Ý²¢ÃèµãÈçͼËùʾ£¬ÇëÔÚ¸ñÖ½ÉÏ×÷³ö¸ÃµÆÅݵķü°²ÌØÐÔÇúÏß¡£
¢ÜÈôСµÆÅݵĵ繦ÂÊΪP£¬ÔòͼÖеÄͼÏß¿ÉÄÜÕýÈ·µÄÊÇ ¡¡¡¡ ¡£
£¨1£©¢Ù²»¹Ò£»¼ä¾à¾ùÔÈ£»¢Ú B ¢Û0.70 £»0.20 m/s2£»¢Ü 

£¨2£©¢ÙBCE£»¢Úd£¨3·Ö£©£»¢Û£¨2·Ö£©¢ÜC¡£

ÊÔÌâ·ÖÎö£º£¨1£©¢ÙƽºâĦ²ÁÁ¦Ê±ÐèҪС³µ²»ÊÜÍâÁ¦ÔÈËÙÔ˶¯£¬ËùÒÔÐèÒª²»¹ÒÖØÎïÖ±µ½´òµã¼ÆʱÆ÷´ò³ö¼ä¾à¾ùÔȵĵ㣬¢Úµç»ð»¨´òµã¼ÆʱÆ÷ʹÓõÄÊÇ220VµÄ½»Á÷µç£¬A´íÎó£»ÒòΪС³µµÄÔ˶¯¹ý³Ì·Ç³£¶ÌÔÝ£¬ÎªÁ˵õ½¸ü¶àµÄµã£¬ÐèÒªÏȽÓͨµçÔ´ºóÊÍ·ÅÖ½´ø£¬BÕýÈ·£»ÒòΪʵÑéÖÐÉþ×ÓµÄÀ­Á¦¿ÉÒÔͨ¹ýµ¯»É²âÁ¦¼Æ¶Á³öÀ´£¬¹Ê²»ÐèÒª£¬C´íÎó£»ÒòΪÖØÎïp²»ÊÇ×öµÄÔÈËÙÖ±ÏßÔ˶¯£¬ËùÒÔ²âÁ¦¼ÆµÄ¶ÁÊý´óÓÚ£¬D´íÎ󣻢۴ÓͼÖпÉÒÔ¶ÁÊýAB¼äµÄ¾àÀëΪ0.70s£»¸ù¾Ý¹«Ê½¿ÉµÃ£¨2£©¢ÙÒòΪСµÆÅݵĶµçÁ÷Ϊ£¬ËùÒÔÑ¡ÓõçÁ÷±íB£»Ð¡µÆÅݵĶµçѹΪ3V£¬ËùÒÔÑ¡Óõçѹ±íC£»Ñ¡ÓÃ×î´óµç×èºÍСµÆÅݵç×èÏà²î²»´óµÄ»¬¶¯±ä×èÆ÷£¬²Ù×÷·½±ã£¬¹ÊÑ¡Óû¬¶¯±ä×èÆ÷E£»¢Úµçѹ±íÓÐʾÊý£¬¶øСµÆÅݲ»Ã÷£¬ËµÃ÷Êǵçѹ±íÁ¬½Óµç·֮ÄÚÓжÏ·£¬¹ÊΪd£»¢ÛÓÃÔ²»¬µÄÇúÏßÁ¬½Ó

¢Ü£ºÐ¡µÆÅݵĵç×èËæ×ÅζȵÄÉý¸ß¶øÔö´ó£¬ËùÒÔÑ¡C
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
£¨¢ñ£©£¨8·Ö£©ÓÃÈçͼװÖÃÑéÖ¤»úеÄÜÊغ㶨ÂÉ£¬¿ç¹ý¶¨»¬ÂÖµÄϸÏßÁ½¶Ëϵ×ÅÖÊÁ¿¾ùΪMµÄÎï¿éA¡¢B£¬A϶ËÓëͨ¹ý´òµã¼ÆʱÆ÷µÄÖ½´øÏàÁ¬£¬BÉÏ·ÅÖÃÒ»ÖÊÁ¿ÎªmµÄ½ðÊôƬC£¬¹Ì¶¨µÄ½ðÊôÔ²»·D´¦ÔÚBµÄÕýÏ·½¡£ÏµÍ³¾²Ö¹Ê±C¡¢D¼äµÄ¸ß¶È²îΪh¡£ÏȽÓͨµç´Å´òµã¼ÆʱÆ÷£¬ÔÙÓɾ²Ö¹ÊÍ·ÅB£¬ÏµÍ³¿ªÊ¼Ô˶¯£¬µ±B´©¹ýÔ²»·DʱC±»D×èµ²¶øÍ£Ö¹¡£

¢ÙÕû¸öÔ˶¯¹ý³ÌÖÐÖ½´øÉϼÆÊýµãµÄ¼ä¾àÈçͼÒÒËùʾ£¬ÆäÖÐÿÏàÁÚÁ½µãÖ®¼ä»¹ÓÐ4¸öµãδ»­³ö£¬ÒÑÖª´òµã¼ÆʱÆ÷µÄ¹¤×÷ƵÂÊΪ50 Hz¡£Óɴ˿ɼÆËã³öC±»×赲ǰBµÄ¼ÓËٶȴóСa =     m/s2£»B¸Õ´©¹ýDʱµÄËٶȴóСv =      m/s£¨½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©¡£

¢Ú¸ÃʵÑéÖÐÐèÑéÖ¤µÈʽÊÇ                    £¨ÓÃM¡¢m¡¢vºÍÖØÁ¦¼ÓËÙ¶Èg±íʾ£©¡£»¹¿ÉÔËÓÃͼÏ󷨼ÓÒÔÑéÖ¤£º¸Ä±äÎï¿éBµÄÊÍ·ÅλÖã¬Öظ´ÉÏÊöʵÑ飬¼Ç¼ÿ´ÎC¡¢D¼äµÄ¸ß¶È²îh£¬²¢Çó³öB¸Õ´©¹ýDʱµÄËÙ¶Èv£¬×÷³öv2 ¨C hͼÏßÈçͼ±ûËùʾ£¬¸ù¾ÝͼÏߵóöÖØÁ¦¼ÓËٶȵıí´ïʽg=               £¬´úÈëÊý¾ÝÔÙÓëµ±µØµÄÖØÁ¦¼ÓËٶȴóС±È½Ï£¬ÅжÏϵͳ»úеÄÜÊÇ·ñÊغ㡣
¢ÛÔÚ²»Ôö¼ÓʵÑéÆ÷²ÄµÄÇé¿öÏ£¬ÇëÌá³ö¼õСʵÑéÎó²îµÄÒ»¸ö°ì·¨¡£
                                                                         ¡£
ijͬѧÓÃÈçͼËùʾµÄ×°ÖÃ̽¾¿Ð¡³µ¼ÓËÙ¶ÈÓëºÏÍâÁ¦µÄ¹Øϵ¡£Í¼ÖÐС³µA×ó¶ËÁ¬½ÓÒ»Ö½´ø²¢´©¹ý´òµã¼ÆʱÆ÷BµÄÏÞλ¿×£¬ÓÒ¶ËÓÃÒ»ÇáÉþÈƹý»¬ÂÖϵÓÚÀ­Á¦´«¸ÐÆ÷CµÄ϶ˣ¬A¡¢BÖÃÓÚˮƽ·ÅÖõÄÒ»¶Ë´øÓж¨»¬ÂÖµÄ×ã¹»³¤µÄľ°åÉÏ¡£²»¼ÆÉþÓ뻬ÂÖµÄĦ²Á¼°»¬ÂÖµÄÖÊÁ¿¡£ÊµÑéʱ£¬ÏȽÓͨµçÔ´ÔÙÊÍ·ÅС³µ£¬´òµã¼ÆʱÆ÷ÔÚÖ½´øÉÏ´òÏÂһϵÁе㡣¸ÃͬѧÔÚ±£Ö¤Ð¡³µAÖÊÁ¿²»±äµÄÇé¿öÏ£¬Í¨¹ý¸Ä±äPµÄÖÊÁ¿À´¸Ä±äС³µAËùÊܵÄÍâÁ¦£¬ÓÉ´«¸ÐÆ÷ºÍÖ½´ø²âµÃµÄÀ­Á¦FºÍ¼ÓËÙ¶ÈaÊý¾ÝÈçϱíËùʾ¡£

´ÎÊý
1
2
3
4
5
F/N
0.10
0.18
0.26
0.30
0.40
a/£¨m¡¤s-2£©
0.08
0.22
0.37
   
0.59
£¨1£©µÚ4´ÎʵÑéµÃµ½µÄÖ½´øÈçͼËùʾ£¬O¡¢A¡¢B¡¢CºÍDÊÇÖ½´øÉÏ
µÄÎå¸ö¼ÆÊýµã£¬Ã¿Á½¸öÏàÁÚµã¼äÓÐËĸöµãûÓл­³ö£¬A¡¢B¡¢C¡¢
DËĵ㵽OµãµÄ¾àÀëÈçͼ¡£´òµã¼ÆʱÆ÷µçԴƵÂÊΪ50Hz¡£¸ù¾Ý
Ö½´øÉÏÊý¾Ý¼ÆËã³öС³µ¼ÓËÙ¶ÈaΪ__ m/s2¡££¨±£Áô¶þλСÊý£©

£¨2£©ÔÚʵÑéÖУ¬     £¨Ñ¡Ìî¡°ÐèÒª¡±»ò¡°²»ÐèÒª¡±£©Âú×ãÖØÎïPµÄÖÊÁ¿Ô¶Ð¡ÓÚС³µAµÄÖÊÁ¿¡£
£¨3£©¸ù¾Ý±íÖÐÊý¾Ý£¬ÔÚͼʾ×ø±êϵÖÐ×ö³öС³µ¼ÓËÙ¶ÈaÓëÁ¦FµÄ¹ØϵͼÏ󣨲»ÒªÇó´ðÔÚ´ðÌ⿨ÉÏ£©£¬¸ù¾ÝͼÏóÍƲ⣬ʵÑé²Ù×÷ÖÐÖØÒªµÄÊè©ÊÇ     ¡£
ijÖÐѧʵÑéС×é²ÉÓÃÈçͼËùʾµÄ×°ÖÃ̽¾¿¹¦ÓëËٶȵĹØϵ£¬Ð¡³µÔÚÏðƤ½îµÄ×÷ÓÃϵ¯³öºó£¬ÑØľ°å»¬ÐС£´òµã¼ÆʱÆ÷¹¤×÷ƵÂÊΪ50Hz¡£

£¨1£©ÊµÑéÖÐľ°åÂÔ΢Çãб£¬ÕâÑù×ö     ¡£
A. ÊÇΪÁËʹÊÍ·ÅС³µºó£¬Ð¡³µÄÜÔȼÓËÙÏ»¬
B. ÊÇΪÁËÔö´óС³µÏ»¬µÄ¼ÓËÙ¶È
C. ¿ÉʹµÃÏðƤ½î×öµÄ¹¦µÈÓÚºÏÍâÁ¦¶ÔС³µ×öµÄ¹¦
D. ¿ÉʹµÃÏðƤ½îËɳںóС³µ×öÔÈËÙÔ˶¯
£¨2£©ÊµÑéÖÐÏȺóÓÃͬÑùµÄÏðƤ½î1Ìõ¡¢2Ìõ¡¢3Ìõ¡­¡­£¬²¢ÆðÀ´¹ÒÔÚС³µµÄÇ°¶Ë½øÐжà´ÎʵÑ飬ÿ´Î¶¼Òª°ÑС³µÀ­µ½Í¬Ò»Î»ÖÃÔÙÊÍ·ÅС³µ¡£°ÑµÚ1´ÎÖ»¹Ò1ÌõÏðƤ½î¶ÔС³µ×öµÄ¹¦¼ÇΪW£¬µÚ2´Î¹Ò2ÌõÏðƤ½îʱÏðƤ½î¶ÔС³µ×öµÄ¹¦Îª2W£¬¡­¡­£»ÏðƤ½î¶ÔС³µ×ö¹¦ºó¶ø»ñµÃµÄËٶȿÉÓÉ´òµã¼ÆʱÆ÷´ò³öµÄÖ½´ø²â³ö¡£¸ù¾ÝµÚ4´ÎʵÑéµÄÖ½´ø£¨ÈçͼËùʾ£¬Í¼Öеĵã½ÔΪ¼Æʱµã£©ÇóµÃС³µ»ñµÃµÄËÙ¶ÈΪ            m/s£¨±£ÁôÈýλÓÐЧÊý×Ö£©¡£

£¨3£©Èô¸ù¾Ý¶à´Î²âÁ¿Êý¾Ý»­³öµÄW£­vͼÏóÈçͼËùʾ£¬¸ù¾ÝͼÏßÐÎ×´¿ÉÖª£¬¶ÔWÓëvµÄ¹Øϵ×÷³ö²ÂÏë¿Ï¶¨²»ÕýÈ·µÄÊÇ      ¡£

A. W¡Ø                    B. W¡Ø           C. W¡Ø                    D. W¡Ø

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

¾«Ó¢¼Ò½ÌÍø