ÌâÄ¿ÄÚÈÝ

ijͬѧÔÚ×ö¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±ÊµÑéʱ£¬´Ó´òϵÄÈô¸ÉÖ½´øÖÐÑ¡³öÁËÈçͼËùʾµÄÒ»Ìõ£¨Ã¿Á½µã¼ä»¹ÓÐ4¸öµãûÓл­³öÀ´£©£¬Í¼ÖÐÉϲ¿µÄÊý×ÖΪÏàÁÚÁ½¸ö¼ÆÊýµã¼äµÄ¾àÀ룬´òµã¼ÆʱÆ÷µÄµçԴƵÂÊΪ50Hz¡£Èç¹ûÓÃS1¡¢S2¡¢S3¡¢S4¡¢S5¡¢S6À´±íʾ¸÷ÏàÁÚÁ½¸ö¼ÆÊýµã¼äµÄ¾àÀë¡£ÓÉÕâЩÒÑÖªÊý¾Ý¼ÆË㣺¸ÃÔȱäËÙÖ±ÏßÔ˶¯µÄ¼ÓËٶȵıí´ïʽΪa=______________£¬Æä´óСΪa=______________m/s2£¬ÓëÖ½´øÉÏDµãÏà¶ÔÓ¦µÄ˲ʱËÙ¶Èv=______________m/s¡££¨´ð°¸¾ùÒªÇó±£Áô3λÓÐЧÊý×Ö£©
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
£¨1£©Í¼1ÊÇijͬѧÔÚ×öÑо¿ÔȱäËÙÖ±ÏßÔ˶¯ÊµÑéÖлñµÃµÄÒ»ÌõÖ½´ø£®
¢ÙÒÑÖª´òµã¼ÆʱÆ÷µçԴƵÂÊΪ50Hz£¬A¡¢B¡¢C¡¢DÊÇÖ½´øÉÏËĸö¼ÆÊýµã£¬Ã¿Á½¸öÏàÁÚ¼ÆÊýµã¼äÓÐËĸöµãûÓл­³ö£®´Óͼ1ÖжÁ³öA¡¢BÁ½µã¼ä¾às=
0.70
0.70
£»Cµã¶ÔÓ¦µÄËÙ¶ÈÊÇ
0.100
0.100
 £¨¼ÆËã½á¹û±£ÁôÈýλÓÐЧÊý×Ö£©£®
¢ÚÈç¹ûµ±Ê±µçÍøÖн»±äµçÁ÷µÄƵÂÊʵ¼ÊÊÇf=51Hz£¬¶ø×öʵÑéµÄͬѧ²¢²»ÖªµÀ£¬ÄÇô¼ÓËٶȵIJâÁ¿ÖµÓëʵ¼ÊÖµÏà±È
ƫС
ƫС
£¨Ñ¡Ìƫ´ó¡¢Æ«Ð¡»ò²»±ä£©£®
£¨2£©Ä³Í¬Ñ§ÔÚ×ö̽¾¿µ¯Á¦ºÍµ¯»ÉÉ쳤µÄ¹ØϵµÄʵÑéʱ£¬Éè¼ÆÁËÈçͼ2¼×ËùʾµÄʵÑé×°Öã®ËùÓõĹ³ÂëµÄÖÊÁ¿¶¼ÊÇ30g£®ËûÏȲâ³ö²»¹Ò¹³Âëʱµ¯»ÉµÄ×ÔÈ»³¤¶È£¬ÔÙ½«5¸ö¹³ÂëÖð¸ö¹ÒÔÚµ¯»ÉµÄ϶ˣ¬Ã¿´Î¶¼²â³öÏàÓ¦µÄµ¯»É×ܳ¤¶È£¬½«Êý¾ÝÌîÔÚÁËÏÂÃæµÄ±íÖУ®£¨µ¯Á¦Ê¼ÖÕ䳬¹ýµ¯ÐÔÏ޶ȣ¬È¡g=10m/s2£©
íÀÂëÖÊÁ¿M£¨g£© 0 30 60 90 120 150
µ¯»É×ܳ¤L£¨cm£© 6.00 7.15 8.34 9.48 10.64 11.79
¢ÙÊÔ¸ù¾ÝÕâЩʵÑéÊý¾Ý£¬ÔÚͼ2ÒÒËùʾµÄ×ø±êÖ½ÉÏ×÷³öíÀÂëÖÊÁ¿MÓ뵯»É×ܳ¤¶ÈLÖ®¼äµÄº¯Êý¹ØϵͼÏߣ®
¢ÚÉÏÒ»ÎÊËùµÃͼÏßµÄÎïÀíÒâÒåÊÇ£º
ͼÏßµÄÎïÀíÒâÒåÊDZíÃ÷µ¯»ÉµÄµ¯Á¦´óСºÍµ¯»ÉÉ쳤Á¿´óС³ÉÕý±È£®
ͼÏßµÄÎïÀíÒâÒåÊDZíÃ÷µ¯»ÉµÄµ¯Á¦´óСºÍµ¯»ÉÉ쳤Á¿´óС³ÉÕý±È£®

¢Û¸Ãµ¯»É¾¢¶ÈϵÊýk=
25.9
25.9
 N/m£®£¨½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©
£¨1£©Í¼1ÊÇijͬѧÔÚ×öÑо¿ÔȱäËÙÖ±ÏßÔ˶¯ÊµÑéÖлñµÃµÄÒ»ÌõÖ½´ø£®
¢ÙÒÑÖª´òµã¼ÆʱÆ÷µçԴƵÂÊΪ50Hz£¬A¡¢B¡¢C¡¢DÊÇÖ½´øÉÏËĸö¼ÆÊýµã£¬Ã¿Á½¸öÏàÁÚ¼ÆÊýµã¼äÓÐËĸöµãûÓл­³ö£®´Óͼ1ÖжÁ³öA¡¢BÁ½µã¼ä¾às=______£»Cµã¶ÔÓ¦µÄËÙ¶ÈÊÇ______ £¨¼ÆËã½á¹û±£ÁôÈýλÓÐЧÊý×Ö£©£®
¢ÚÈç¹ûµ±Ê±µçÍøÖн»±äµçÁ÷µÄƵÂÊʵ¼ÊÊÇf=51Hz£¬¶ø×öʵÑéµÄͬѧ²¢²»ÖªµÀ£¬ÄÇô¼ÓËٶȵIJâÁ¿ÖµÓëʵ¼ÊÖµÏà±È______£¨Ñ¡Ìƫ´ó¡¢Æ«Ð¡»ò²»±ä£©£®
£¨2£©Ä³Í¬Ñ§ÔÚ×ö̽¾¿µ¯Á¦ºÍµ¯»ÉÉ쳤µÄ¹ØϵµÄʵÑéʱ£¬Éè¼ÆÁËÈçͼ2¼×ËùʾµÄʵÑé×°Öã®ËùÓõĹ³ÂëµÄÖÊÁ¿¶¼ÊÇ30g£®ËûÏȲâ³ö²»¹Ò¹³Âëʱµ¯»ÉµÄ×ÔÈ»³¤¶È£¬ÔÙ½«5¸ö¹³ÂëÖð¸ö¹ÒÔÚµ¯»ÉµÄ϶ˣ¬Ã¿´Î¶¼²â³öÏàÓ¦µÄµ¯»É×ܳ¤¶È£¬½«Êý¾ÝÌîÔÚÁËÏÂÃæµÄ±íÖУ®£¨µ¯Á¦Ê¼ÖÕ䳬¹ýµ¯ÐÔÏ޶ȣ¬È¡g=10m/s2£©
íÀÂëÖÊÁ¿M£¨g£©306090120150
µ¯»É×ܳ¤L£¨cm£©6.007.158.349.4810.6411.79
¢ÙÊÔ¸ù¾ÝÕâЩʵÑéÊý¾Ý£¬ÔÚͼ2ÒÒËùʾµÄ×ø±êÖ½ÉÏ×÷³öíÀÂëÖÊÁ¿MÓ뵯»É×ܳ¤¶ÈLÖ®¼äµÄº¯Êý¹ØϵͼÏߣ®
¢ÚÉÏÒ»ÎÊËùµÃͼÏßµÄÎïÀíÒâÒåÊÇ£º______
¢Û¸Ãµ¯»É¾¢¶ÈϵÊýk=______ N/m£®£¨½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©

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

¾«Ó¢¼Ò½ÌÍø