ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿Ä³Í¬Ñ§Éè¼ÆÁËÒ»¸ö̽¾¿¼ÓËÙ¶ÈaÓëÎïÌåËùÊܺÏÁ¦F¼°ÖÊÁ¿m¹ØϵµÄʵÑ飬ͼ£¨a£©ÎªÊµÑé×°Öüòͼ£¬É°ºÍÉ°Í°µÄ×ÜÖÊÁ¿ÎªM£¬Ð¡³µºÍíÀÂëµÄ×ÜÖÊÁ¿Îªm£¨½»Á÷µçµÄƵÂÊΪ50Hz£©
£¨1£©Í¼£¨b£©ÎªÄ³´ÎʵÑéµÃµ½µÄÖ½´ø£¬¸ù¾ÝÖ½´ø¿ÉÇó³öС³µµÄ¼ÓËٶȴóСΪ_________m/s2¡££¨±£Áô¶þλÓÐЧÊý×Ö£©
£¨2£©µ±m__M(Ìî ¡°Ô¶Ð¡ÓÚ¡±¡°Ô¶´óÓÚ¡±»ò¡°½üËƵÈÓÚ¡±)ʱ£¬²Å¿ÉÒÔÈÏΪÉþ¶ÔС³µµÄÀÁ¦´óСµÈÓÚÉ°ºÍÉ°Í°µÄÖØÁ¦¡£
£¨3£©ÏÂÁÐ×ö·¨ÕýÈ·µÄÊÇ_____£¨Ìî×Öĸ´úºÅ£©
A£®µ÷½Ú»¬Âֵĸ߶ȣ¬Ê¹Ç£ÒýС³µµÄϸÉþÓ볤ľ°å±£³ÖƽÐÐ
B£®ÔÚµ÷½Úľ°åÇãб¶ÈƽºâС³µÊܵ½µÄ»¬¶¯Ä¦²ÁÁ¦Ê±£¬½«³¤Ä¾°åµÄÒ»¶ËµæÆðÊʵ±µÄ¸ß¶È£¬³·È¥Ö½´øÒÔ¼°É°ºÍÉ°Í°£¬ÇáÍÆС³µ£¬¹Û²ìÅжÏС³µÊÇ·ñ×öÔÈËÙÔ˶¯
C£®Ì½¾¿¼ÓËÙ¶ÈÓëÍâÁ¦µÄ¹Øϵʱ£¬Ó¦¸Ã¸Ä±äС³µµÄÖÊÁ¿
D£®Í¨¹ýÔö¼õС³µÉϵÄíÀÂë¸Ä±äÖÊÁ¿Ê±£¬²»ÐèÒªÖØе÷½Úľ°åÇãб¶È
£¨4£©ÔÚƽºâĦ²ÁÁ¦Ê±£¬Ð¡Ã÷Óõæľ°Ñ³¤Ä¾°åµÄÓҶ˵æµÃ¹ý¸ß£¬Ê¹µÃÇã½ÇÆ«´ó¡£ËûËùµÃµ½µÄС³µµÄ¼ÓËÙ¶ÈaÓëϸÏß×÷ÓÃÓÚС³µµÄÀÁ¦FÖ®¼äµÄ¹Øϵ¿ÉÓÃÏÂͼÖÐÄÄÌõͼÏß±íʾ£¿´ð£º____________¡£
¡¾´ð°¸¡¿ £¨1£©3.2 £¨2£©Ô¶´óÓÚ £¨3£©AD £¨4£©ÒÒ
¡¾½âÎö¡¿(1) ÓɵÃÖ½´ø¿ÉÇó³öС³µµÄ¼ÓËٶȴóС
(2) ¸ù¾ÝÅ£¶ÙµÚ¶þ¶¨Âɵ㺶ÔmÓУ¬¶ÔMÓÐ
£¬½âµÃ
£¬µ±
ʱ£¬¼´µ±íÀÂëºÍÅ̵Ä×ÜÖØÁ¦ÒªÔ¶Ð¡ÓÚС³µµÄÖØÁ¦£¬Éþ×ÓµÄÀÁ¦½üËƵÈÓÚíÀÂëºÍÅ̵Ä×ÜÖØÁ¦£»
(3) A¡¢µ÷½Ú»¬Âֵĸ߶ȣ¬Ê¹Ç£ÒýС³µµÄϸÉþÓ볤ľ°å±£³ÖƽÐУ¬¹ÊAÕýÈ·£»
B¡¢ÔÚµ÷½Úľ°åÇãб¶ÈƽºâС³µÊܵ½µÄ»¬¶¯Ä¦²ÁÁ¦Ê±£¬½«³¤Ä¾°åµÄÒ»¶ËµæÆðÊʵ±µÄ¸ß¶È£¬³·È¥É°ºÍÉ°Í°£¬ÇáÍÆС³µ£¬µ«³·È¥Ö½´ø£¬Äܹ۲ìÅжÏС³µÊÇ·ñ×öÔÈËÙÔ˶¯£¬¹ÊB´íÎó£»
C¡¢Ì½¾¿¼ÓËÙ¶ÈÓëÍâÁ¦µÄ¹Øϵʱ£¬Ó¦¸Ã±£³ÖС³µµÄÖÊÁ¿²»±ä£»¹ÊC´íÎó£»
D¡¢Í¨¹ýÔö¼õС³µÉϵÄíÀÂë¸Ä±äÖÊÁ¿Ê±£¬²»ÐèÒªÖØе÷½Úľ°åÇãб¶È£¬¹ÊDÕýÈ·£»
¹ÊÑ¡AD¡£
(4) ƽºâĦ²ÁÁ¦Ê±£¬°Ñ³¤Ä¾°åµÄÒ»¶ËµæµÃ¹ý¸ß£¬Ê¹µÃÇã½ÇÆ«´ó£¬¹ý¶ÈƽºâĦ²ÁÁ¦£¬²»¼ÓÀÁ¦Ê±£¬Ð¡³µÒѾ¾ßÓÐÒ»¶¨µÄ¼ÓËٶȣ¬a-FͼÏóÔÚaÖáÉÏÓнؾ࣬ÓÉͼËùʾͼÏó¿ÉÖª£¬Í¼ÏóÒÒÕýÈ·¡£
![](http://thumb2018.1010pic.com/images/loading.gif)