ÌâÄ¿ÄÚÈÝ

¾«Ó¢¼Ò½ÌÍø£¨1£©Ä³Í¬Ñ§ÔÚ×ö²â¶¨Ä¾°åµÄ¶¯Ä¦²ÁÒòÊýµÄʵÑéʱ£¬Éè¼ÆÁËÁ½ÖÖʵÑé·½°¸£®
·½°¸A£ºÄ¾°å¹Ì¶¨£¬Óõ¯»É³ÓÀ­¶¯Ä¾¿é£¬Èçͼ1£¨a£©Ëùʾ£»
·½°¸B£ºÄ¾¿é¹Ì¶¨£¬ÓÃÊÖÀ­¶¯Ä¾°å£¬Èçͼ1£¨b£©Ëùʾ£®
³ýÁËʵÑé±ØÐèµÄµ¯»É³Ó¡¢Ä¾°å¡¢Ä¾¿é¡¢Ï¸ÏßÍ⣬¸Ãͬѧ»¹×¼±¸ÁËÖÊÁ¿Îª200¿ËµÄÅäÖØÈô¸É¸ö£®£¨g=10m/s2£©
¢ÙÉÏÊöÁ½ÖÖ·½°¸ÖУ¬ÄãÈÏΪ¸üºÏÀíµÄÊÇ·½  °¸
 
£¬Ô­ÒòÊÇ
 
£»
¢Ú¸ÃʵÑéÖÐÓ¦²âÁ¿µÄÎïÀíÁ¿ÊÇ
 
£»
¢Û¸ÃͬѧÔÚľ¿éÉϼӷÅÅäÖØ£¬¸Ä±äľ¿é¶Ôľ°åµÄÕýѹÁ¦£®¼Ç¼ÁË5×éʵÑéÊý¾Ý£¬ÈçϱíËùʾ£º
ʵÑé´ÎÊý 1 2 3 4 5
ÅäÖØ£¨¸öÊý£© 0 1 2 3 4
µ¯»É³Ó¶ÁÊý£¨N£© 0.50 1.00 1.50 1.80 2.50
²âľ¿éÖØ£¨N£© 2.00
Çë¸ù¾ÝÉÏÊöÊý¾ÝÔÚ×ø±êÖ½2ÉÏ×ö³öľ¿éËùÊÜĦ²ÁÁ¦ºÍѹÁ¦µÄ¹ØϵͼÏó£º
ÓÉͼÏó¿É²â³öľ°åºÍľ¿é¼äµÄ¶¯Ä¦²ÁÒòÊýÊÇ
 
£®
£¨2£©ÏÖÓÐÏÂÁÐÆ÷²Ä£º
A£®6VÐîµç³ØÒ»×飨ÄÚ×èÔ¼0.1¦¸£©
B£®Ö±Á÷µçÁ÷±í£¨0¡«0.2A£© Ò»Ö»
C£®Ö±Á÷µçÁ÷±í£¨0¡«0.02A£© Ò»Ö»
D£®Ö±Á÷µçѹ±í£¨0¡«3V£© Ò»Ö»
E£®Ö±Á÷µçѹ±í£¨0¡«100V£© Ò»Ö»
F£®»¬¶¯±ä×èÆ÷£¨0¡«10¦¸£© Ò»Ö»
G£®»¬¶¯±ä×èÆ÷£¨0¡«500¦¸£© Ò»Ö»
H£®µç×èÏ䣨0¡«9999.9¦¸£¬Im=0.1A£© Ò»Ö»
I£®µç¼üÒ»Ö»
ÏÖÔÚÒª±È½Ï׼ȷµØ²âÁ¿Ò»Ö»Ô¼0.6¦¸µç×èRXµÄ×èÖµ£¬Ëù²ÉÓõÄʵÑéµç·Èçͼ3Ëùʾ£»
¢ÙʵÑéÖÐËùÐèÒªµÄÆ÷²Ä³ýÁ˵çÔ´¡¢µç¼üºÍµ¼ÏßÍ⣬»¹ÓУº£¨ÓÃÆ÷²ÄÇ°ÃæµÄ×Öĸ±íʾ£©
µçÁ÷±íÑ¡
 
£» µçѹ±íÑ¡
 
£»R1Ñ¡
 
£»£®R2Ñ¡
 
£»
¢Úд³ö²âÁ¿µç×èµÄ±í´ïʽRx=
 
£®
·ÖÎö£º£¨1£©aÖÐÎïÌåÔÚµ¯»É²âÁ¦¼Æ×÷ÓÃϺÜÄÑ¿ØÖÆËüÒ»Ö±×öÔÈËÙÖ±ÏßÔ˶¯£¬¶øbÖÐÀ­¶¯µÄÊÇľ°å£¬µ¯»É²âÁ¦¼ÆÓëľ¿éÏà¶Ô¾²Ö¹£¬´Ëʱ¶ÁÊý¸ü׼ȷ£®¸ù¾Ý¹«Ê½£ºf=¦ÌFN£¬FN=mg£¬µÃ£º¦Ì=
FN
f
=
mg
f
£®ËùÒÔÐèÒª²âÁ¿µÄÎïÀíÁ¿ÓУºÄ¾¿éµÄÖØÁ¦¡¢Ã¿´ÎÀ­Ä¾°åʱľ¿éºÍľ°å¼äµÄĦ²ÁÁ¦
£¨2£©µçÁ÷±íºÍµçѹ±íÔÚʹÓõĹý³ÌÖУ¬ÒªÊ¹Ö¸Õ뾡Á¿Æ«×ªµ½
1
3
¡«
2
3
Ö®¼ä£»·Öѹʽ½Ó·¨ÖУ¬»¬¶¯±ä×èÆ÷ҪѡÔñСµç×裮
½â´ð£º½â£º¢Ù±È½ÏÁ½ÖÖʵÑé·½°¸µÄ²Ù×÷¹ý³Ì¿ÉÒÔ¿´³ö£¬aÖÐÎïÌåÔÚµ¯»É²âÁ¦¼Æ×÷ÓÃϺÜÄÑ¿ØÖÆËüÒ»Ö±×öÔÈËÙÖ±ÏßÔ˶¯£¬¶øbÖÐÀ­¶¯µÄÊÇľ°å£¬µ¯»É²âÁ¦¼ÆÓëľ¿éÏà¶Ô¾²Ö¹£¬´Ëʱ¶ÁÊý¸ü׼ȷ£®ËùÒÔ£¬¸üºÏÀíµÄ·½°¸ÊÇb£®
¢Ú¸ù¾Ý¹«Ê½£ºf=¦ÌFN£¬FN=mg£¬µÃ£º¦Ì=
FN
f
=
mg
f
£®ËùÒÔÐèÒª²âÁ¿µÄÎïÀíÁ¿ÓУºÄ¾¿éµÄÖØÁ¦¡¢Ã¿´ÎÀ­Ä¾°åʱľ¿éºÍľ°å¼äµÄĦ²ÁÁ¦
¢ÛͼÏóÈçÓÒ¾«Ó¢¼Ò½ÌÍø
¦Ì=
FN
f
=
2.5
10
=0.25

£¨2£©¢ÙµçÁ÷±íºÍµçѹ±íÔÚʹÓõĹý³ÌÖУ¬ÒªÊ¹Ö¸Õ뾡Á¿Æ«×ªµ½
1
3
¡«
2
3
Ö®¼ä£»µç×èÏäµÄµçÁ÷ÊÇ0.1A£¬ËùÒÔҪѡÔñ0.2AµÄµçÁ÷±íB£»µçÔ´µÄµç¶¯ÊÆ6v£¬ËùÒÔµçѹ±íÑ¡ÔñÁ¿³ÌΪ3VµÄµçѹ±íD£»·Öѹʽ½Ó·¨ÖУ¬»¬¶¯±ä×èÆ÷ҪѡÔñСµç×裬ËùÒÔ»¬¶¯±ä×èÆ÷Ñ¡Ôñ½ÏСµÄH£®
¢Ú²âÁ¿µç×èµÄ±í´ïʽRx=
U
I
-R
£®
£¨1£©¢ÙB£»ÈÝÒ׿ØÖÆÀ­¶¯µÄËٶȣ¬Ê¹Ê¾Êý¸üÎȶ¨£¬²âÁ¿¸ü׼ȷ
¢Úľ¿éµÄÖØÁ¦¡¢Ã¿´ÎÀ­Ä¾°åʱľ¿éºÍľ°å¼äµÄĦ²ÁÁ¦
¢ÛͼÏóÈçÓÒ£»¦Ì=0.25
£¨2£©¢ÙB D H F£»¢ÚRx=
U
I
-R
1
µãÆÀ£ºÔÚ±¾ÊµÑéÖУ¬×¼È·¶Á³öµ¯»É²âÁ¦¼ÆµÄʾÊýÊǹؼü£¬a·½°¸²âÁ¦¼ÆÊÇÔ˶¯µÄ£¬²¢ÇÒÒªÔÈËÙÔ˶¯²Å¿ÉÒÔ£¬ÄѶȽϴ󣬲»ºÃ£»b·½°¸Ò²ÊÇΪÁËʹ¶ÁÊý¸ü׼ȷ£®µçÁ÷±íºÍµçѹ±íÔÚʹÓõĹý³ÌÖУ¬ÒªÊ¹Ö¸Õ뾡Á¿Æ«×ªµ½
1
3
¡«
2
3
Ö®¼ä£»
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
£¨1£©Ä³Í¬Ñ§ÔÚ×ö¡°²â¶¨ÔȱäËÙÖ±ÏßÔ˶¯µÄ¼ÓËٶȡ±ÊµÑéʱ£¬´Ó´òϵÄÈô¸ÉÖ½´øÖÐÑ¡³öÁËÈçͼËùʾµÄÒ»Ìõ£¨Ã¿Á½µã¼ä»¹ÓÐ4¸öµãûÓл­³öÀ´£©£¬Í¼ÖÐÉϲ¿µÄÊý×ÖΪÏàÁÚÁ½¸ö¼ÆÊýµã¼äµÄ¾àÀ룮´òµã¼ÆʱÆ÷µÄµçԴƵÂÊΪ50Hz£®ÓÉÕâЩÒÑÖªÊý¾Ý¼ÆË㣺

¢Ù¸ÃÔȱäËÙÖ±ÏßÔ˶¯µÄ¼ÓËÙ¶Èa=
2.05
2.05
m/s2£®
¢ÚÓëÖ½´øÉÏDµãÏà¶ÔÓ¦µÄ˲ʱËÙ¶Èv=
1.22
1.22
 m/s£®£¨±£Áô3λÓÐЧÊý×Ö£©
£¨2£©ÎªÁ˲âÁ¿Ò»¸ö¸ßÂ¥µÄ¸ß¶È£¬Ä³Í¬Ñ§Éè¼ÆÁËÈçÏÂʵÑ飺ÔÚÒ»¸ù³¤ÎªlµÄÉþÁ½¶Ë¸÷Ë©Ò»ÖØÇò£¬Ò»ÈËÕ¾ÔÚÂ¥¶¥ÉÏ£¬ÊÖÖ´É϶˵ÄÖØÇòÎÞ³õËٶȵÄÊÍ·ÅʹÆä×ÔÓÉÏÂÂ䣬ÁíÒ»ÈËÔÚ¥ϲâÁ¿Á½ÇòÂäµØµÄʱ¼ä²î¡÷t£¬¼´¿É¸ù¾Ýl¡¢¡÷t¡¢gµÃ³ö¸ßÂ¥µÄ¸ß¶È£¨²»¼Æ¿ÕÆø×èÁ¦£©£®
¢Ù´ÓÔ­Àí˵Ã÷´Ë·½°¸ÊÇ·ñ¿ÉÐм°ÀíÓÉ
¿ÉÐУ¬h=
1
2
gt2£¬h+L=
1
2
g£¨t+¡÷t£©2£¬Á½¸ö·½³Ì£¬Á½¸öδ֪Êý£¬·½³Ì¿É½â
¿ÉÐУ¬h=
1
2
gt2£¬h+L=
1
2
g£¨t+¡÷t£©2£¬Á½¸ö·½³Ì£¬Á½¸öδ֪Êý£¬·½³Ì¿É½â
£®¢Ú´Óʵ¼Ê²âÁ¿À´¿´£¬Äã¹À¼Æ×î´óµÄÀ§ÄÑÊÇ
¡÷t̫С£¬ÄÑÒÔ²âÁ¿
¡÷t̫С£¬ÄÑÒÔ²âÁ¿

£¨3£©Ä³Í¬Ñ§ÔÚ×ö²â¶¨Ä¾°åµÄ¶¯Ä¦²ÁÒòÊýµÄʵÑéʱ£¬Éè¼ÆÁËÁ½ÖÖ·½°¸£®
·½°¸A£ºÄ¾°åˮƽ¹Ì¶¨£¬Í¨¹ýµ¯»É³ÓˮƽÀ­¶¯Ä¾¿é£¬Èçͼa£»
·½°¸B£ºÄ¾¿é¹Ì¶¨£¬Í¨¹ýϸÏßˮƽÀ­¶¯Ä¾°å£¬Èçͼb£®
ÉÏÊöÁ½·½°¸ÖУ¬ÄãÈÏΪ¸üºÏÀíµÄÊÇ
b
b
£¬¸ÃʵÑéÖÐÐèÒª²âÁ¿µÄÎïÀíÁ¿ÊÇ
µ¯»É³ÓʾÊýFºÍľ¿éµÄÖØÁ¿G
µ¯»É³ÓʾÊýFºÍľ¿éµÄÖØÁ¿G
£®

£¨1£©Ä³Í¬Ñ§ÔÚ×ö¡°²â¶¨ÔȱäËÙÖ±ÏßÔ˶¯µÄ¼ÓËٶȡ±ÊµÑéʱ£¬´Ó´òϵÄÈô¸ÉÖ½´øÖÐÑ¡³öÁËÈçͼËùʾµÄÒ»Ìõ£¨Ã¿Á½µã¼ä»¹ÓÐ4¸öµãûÓл­³öÀ´£©£¬Í¼ÖÐÉϲ¿µÄÊý×ÖΪÏàÁÚÁ½¸ö¼ÆÊýµã¼äµÄ¾àÀ룮´òµã¼ÆʱÆ÷µÄµçԴƵÂÊΪ50Hz£®ÓÉÕâЩÒÑÖªÊý¾Ý¼ÆË㣺

¢Ù¸ÃÔȱäËÙÖ±ÏßÔ˶¯µÄ¼ÓËÙ¶Èa=______m/s2£®
¢ÚÓëÖ½´øÉÏDµãÏà¶ÔÓ¦µÄ˲ʱËÙ¶Èv=______ m/s£®£¨±£Áô3λÓÐЧÊý×Ö£©
£¨2£©ÎªÁ˲âÁ¿Ò»¸ö¸ßÂ¥µÄ¸ß¶È£¬Ä³Í¬Ñ§Éè¼ÆÁËÈçÏÂʵÑ飺ÔÚÒ»¸ù³¤ÎªlµÄÉþÁ½¶Ë¸÷Ë©Ò»ÖØÇò£¬Ò»ÈËÕ¾ÔÚÂ¥¶¥ÉÏ£¬ÊÖÖ´É϶˵ÄÖØÇòÎÞ³õËٶȵÄÊÍ·ÅʹÆä×ÔÓÉÏÂÂ䣬ÁíÒ»ÈËÔÚ¥ϲâÁ¿Á½ÇòÂäµØµÄʱ¼ä²î¡÷t£¬¼´¿É¸ù¾Ýl¡¢¡÷t¡¢gµÃ³ö¸ßÂ¥µÄ¸ß¶È£¨²»¼Æ¿ÕÆø×èÁ¦£©£®
¢Ù´ÓÔ­Àí˵Ã÷´Ë·½°¸ÊÇ·ñ¿ÉÐм°ÀíÓÉ______£®¢Ú´Óʵ¼Ê²âÁ¿À´¿´£¬Äã¹À¼Æ×î´óµÄÀ§ÄÑÊÇ______
£¨3£©Ä³Í¬Ñ§ÔÚ×ö²â¶¨Ä¾°åµÄ¶¯Ä¦²ÁÒòÊýµÄʵÑéʱ£¬Éè¼ÆÁËÁ½ÖÖ·½°¸£®
·½°¸A£ºÄ¾°åˮƽ¹Ì¶¨£¬Í¨¹ýµ¯»É³ÓˮƽÀ­¶¯Ä¾¿é£¬Èçͼa£»
·½°¸B£ºÄ¾¿é¹Ì¶¨£¬Í¨¹ýϸÏßˮƽÀ­¶¯Ä¾°å£¬Èçͼb£®
ÉÏÊöÁ½·½°¸ÖУ¬ÄãÈÏΪ¸üºÏÀíµÄÊÇ______£¬¸ÃʵÑéÖÐÐèÒª²âÁ¿µÄÎïÀíÁ¿ÊÇ______£®

£¨1£©Ä³Í¬Ñ§ÔÚ×ö²â¶¨Ä¾°åµÄ¶¯Ä¦²ÁÒòÊýµÄʵÑéʱ£¬Éè¼ÆÁËÁ½ÖÖʵÑé·½°¸£®
·½°¸A£ºÄ¾°å¹Ì¶¨£¬Óõ¯»É³ÓÀ­¶¯Ä¾¿é£¬Èçͼ1£¨a£©Ëùʾ£»
·½°¸B£ºÄ¾¿é¹Ì¶¨£¬ÓÃÊÖÀ­¶¯Ä¾°å£¬Èçͼ1£¨b£©Ëùʾ£®
³ýÁËʵÑé±ØÐèµÄµ¯»É³Ó¡¢Ä¾°å¡¢Ä¾¿é¡¢Ï¸ÏßÍ⣬¸Ãͬѧ»¹×¼±¸ÁËÖÊÁ¿Îª200¿ËµÄÅäÖØÈô¸É¸ö£®£¨g=10m/s2£©
¢ÙÉÏÊöÁ½ÖÖ·½°¸ÖУ¬ÄãÈÏΪ¸üºÏÀíµÄÊÇ·½  °¸______£¬Ô­ÒòÊÇ______£»
¢Ú¸ÃʵÑéÖÐÓ¦²âÁ¿µÄÎïÀíÁ¿ÊÇ______£»
¢Û¸ÃͬѧÔÚľ¿éÉϼӷÅÅäÖØ£¬¸Ä±äľ¿é¶Ôľ°åµÄÕýѹÁ¦£®¼Ç¼ÁË5×éʵÑéÊý¾Ý£¬ÈçϱíËùʾ£º
ʵÑé´ÎÊý 1 2 3 4 5
ÅäÖØ£¨¸öÊý£© 0 1 2 3 4
µ¯»É³Ó¶ÁÊý£¨N£© 0.50 1.00 1.50 1.80 2.50
²âľ¿éÖØ£¨N£© 2.00
Çë¸ù¾ÝÉÏÊöÊý¾ÝÔÚ×ø±êÖ½2ÉÏ×ö³öľ¿éËùÊÜĦ²ÁÁ¦ºÍѹÁ¦µÄ¹ØϵͼÏó£º
ÓÉͼÏó¿É²â³öľ°åºÍľ¿é¼äµÄ¶¯Ä¦²ÁÒòÊýÊÇ______£®
£¨2£©ÏÖÓÐÏÂÁÐÆ÷²Ä£º
A£®6VÐîµç³ØÒ»×飨ÄÚ×èÔ¼0.1¦¸£©
B£®Ö±Á÷µçÁ÷±í£¨0¡«0.2A£© Ò»Ö»
C£®Ö±Á÷µçÁ÷±í£¨0¡«0.02A£© Ò»Ö»
D£®Ö±Á÷µçѹ±í£¨0¡«3V£© Ò»Ö»
E£®Ö±Á÷µçѹ±í£¨0¡«100V£© Ò»Ö»
F£®»¬¶¯±ä×èÆ÷£¨0¡«10¦¸£© Ò»Ö»
G£®»¬¶¯±ä×èÆ÷£¨0¡«500¦¸£© Ò»Ö»
H£®µç×èÏ䣨0¡«9999.9¦¸£¬Im=0.1A£© Ò»Ö»
I£®µç¼üÒ»Ö»
ÏÖÔÚÒª±È½Ï׼ȷµØ²âÁ¿Ò»Ö»Ô¼0.6¦¸µç×èRXµÄ×èÖµ£¬Ëù²ÉÓõÄʵÑéµç·Èçͼ3Ëùʾ£»
¢ÙʵÑéÖÐËùÐèÒªµÄÆ÷²Ä³ýÁ˵çÔ´¡¢µç¼üºÍµ¼ÏßÍ⣬»¹ÓУº£¨ÓÃÆ÷²ÄÇ°ÃæµÄ×Öĸ±íʾ£©
µçÁ÷±íÑ¡______£» µçѹ±íÑ¡______£»R1Ñ¡______£»£®R2Ñ¡______£»
¢Úд³ö²âÁ¿µç×èµÄ±í´ïʽRx=______£®
¾«Ó¢¼Ò½ÌÍø

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

¾«Ó¢¼Ò½ÌÍø