ÎïÀíÐËȤС×éͬѧ¶ÔÎïÌåµÄ¸¡³ÁÌõ¼þ½øÐÐÑо¿£®ÔÚÒ»¸öÖØΪ4 N£¬µ×Ãæ»ýΪ200 cm2µÄÔ²ÖùÐα¡±Ú²£Á§ÈÝÆ÷µ×²¿£¬·ÅÒ»¸ö±ß³¤Îª10 cm£®µÄÕý·½ÌåÎï¿é£¬È»ºóÖð½¥ÏòÈÝÆ÷Öе¹Ë®(ˮʼÖÕδÒç³ö)£®Í¨¹ý²âÁ¿ÈÝÆ÷ÖÐË®µÄÉî¶Èh£¬·Ö±ð¼ÆËã³ö¸ÃÎï¿éËùÊܵ½µÄ¸¡Á¦F¸¡£¬²¢»æÖÆÁËÈçͼËùʾµÄͼÏñ£®Çë½â´ðÏÂÁÐÎÊÌ⣮

(1)·ÖÎöͼÏñ¿ÉÖª£¬Ë®µÄÉî¶ÈÓÉ0Öð½¥Ôö¼Óµ½8 cmÇ°µÄ¹ý³ÌÖУ¬Îï¿éÊܵ½µÄ¸¡Á¦ÔõÑù±ä»¯£¿ÕâÒ»¹ý³ÌÖÐÎï¿é¶ÔÈÝÆ÷µ×²¿µÄѹǿÓÖÔõÑù±ä»¯£¿

(2)µ±ÈÝÆ÷ÖÐË®É¹ý8 cm£®ÒÔºó£¬Îï¿é´¦ÓÚʲô״̬£¿ÎªÊ²Ã´£¿

(3)½«Îï¿éÈ¡³öºó£¬ÈôÈÝÆ÷ÖÐË®µÄÖØÁ¦Îª20 N£¬´ËʱÈÝÆ÷¶Ôˮƽ×ÀÃæµÄѹǿÊǶàÉÙ£¿

(4)Îï¿éµÄÃܶÈÊǶàÉÙ£¿

´ð°¸£º
½âÎö£º

¡¡¡¡(1)¸¡Á¦±ä´ó£¬Ñ¹Ç¿³ÇС£®(2·Ö)

¡¡¡¡(2)Ư¸¡×´Ì¬£®(1·Ö)

¡¡¡¡´ÓÉÏͼ֪£¬Ë®µ½8 cmʱ¸¡Á¦²»È½Ôö´ó£¬´ËʱÎïÌå²¢Ã×ÍêÈ«½þûˮÖУ¬Óв¿·ÖÌå»ý¶³öË®Ã森(1·Ö)

¡¡¡¡(3)½â£ºÈÝÆ÷¶Ô×ÀеÄѹÁ¦F£½G1£«G2£½20£«4£½24(N)¡¡(1·Ö)

¡¡¡¡ÈÝÆ÷¶Ô×ÀÃæµÄѹǿ(Pa)¡¡(1·Ö)

¡¡¡¡(4)½â£ºÉ½Í¼Ïñ¿ÉÖª£¬£½(N)¡¡(1·Ö)

¡¡¡¡¡¡(1·Ö)


Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2009?ºÍƽÇø¶þÄ££©Ä³Ð£ÎïÀíÐËȤС×éͬѧ¶ÔÎïÌåµÄ¸¡³ÁÌõ¼þ½øÐÐÑо¿£ºÔÚÒ»¸öÖØΪ4N£¬µ×Ãæ»ýΪ200cm2µÄÔ²ÖùÐα¡±Ú²£Á§ÈÝÆ÷µ×²¿£¬·ÅÒ»¸ö±ß³¤Îª10cmµÄÕý·½ÌåÎï¿é£¬È»ºóÖð½¥ÏòÈÝÆ÷Öе¹Ë®£¨Ë®Ê¼ÖÕδÒç³ö£©£®Í¨¹ý²âÁ¿ÈÝÆ÷ÖÐË®µÄÉî¶Èh£¬·Ö±ð¼ÆËã³ö¸ÃÎï¿éËùÊܵ½µÄ¸¡Á¦F¸¡£¬²¢»æÖÆÁËÈçͼËùʾµÄͼÏó£®ÇëÄã½â´ðÏÂÁÐÎÊÌ⣨gÈ¡10N/kg£©£®
£¨1£©·ÖÎöͼÏó¿ÉÖª£¬Ë®µÄÉî¶ÈÓÉ0Öð½¥Ôö¼Óµ½8cmµÄ¹ý³ÌÖУ¬Îï¿éÊܵ½µÄ¸¡Á¦Ô½À´Ô½
´ó
´ó
£¬¼ÌÐøÍùÈÝÆ÷Öе¹Ë®£¬Ëæ×ÅË®µÄÉî¶ÈÔö¼Ó£¬Ë®¶ÔÈÝÆ÷µ×²¿µÄѹǿ
Ôö´ó
Ôö´ó
£®µ±Ë®ÉîÔöÖÁ8cmºó£¬Îï¿é´¦ÓÚ
Ư¸¡
Ư¸¡
£¨Ñ¡ÌƯ¸¡¡±¡¢¡°Ðü¸¡¡±»ò¡°Ï³Á¡±£©×´Ì¬£®
£¨2£©Îï¿éµÄÖØÁ¦ÊǶàÉÙ£¿Îï¿éµÄÃܶÈÊǶàÉÙ£¿
£¨3£©µ±Ë®µÄÉî¶ÈΪ4cmʱ£¬Ë®¶ÔÈÝÆ÷µ×µÄѹǿºÍľ¿é¶ÔÈÝÆ÷µ×µÄѹǿ·Ö±ðÊǶàÉÙ£¿

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÎïÀíÐËȤС×éͬѧ¶ÔÎïÌåµÄ¸¡³ÁÌõ¼þ½øÐÐÑо¿£®ÔÚÒ»¸öÉÕ±­µÄµ×²¿£¬·ÅÖÃÒ»¸ö±ß³¤Îª10cmµÄÕý·½ÌåÎï¿é£¬È»ºóÖð½¥Ïò±­Öе¹Ë®£¨Ë®Ê¼ÖÕδÒç³ö£©£¬Èçͼ¼×Ëùʾ£¬Í¨¹ý²âÁ¿ÉÕ±­ÖÐË®µÄÉî¶Èh£¬·Ö±ð¼ÆËã³ö¸ÃÎï¿éËùÊܵĸ¡Á¦F¸¡£¬²¢»æÖÆÁËÈçͼÒÒËùʾµÄͼÏó£®ÎÊ£º
£¨1£©µ±Îï¿éÊܵ½µÄ¸¡Á¦Îª8Nʱ£¬Îï¿é´¦ÓÚʲô״̬£¿Îï¿éµÄÖØÁ¦ÊǶàÉÙ£¿
£¨2£©Îï¿éµÄÃܶÈÊǶà´ó£¿
£¨3£©µ±Îï¿éÊܵ½µÄ¸¡Á¦Îª6Nʱ£¬Ë®¶ÔÈÝÆ÷µ×²¿µÄѹǿÊǶà´ó£¿

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2010?Ïã·»Çøһģ£©ÎïÀíÐËȤС×éͬѧ¶ÔÎïÌåµÄ¸¡³ÁÌõ¼þ½øÐÐÑо¿£¬ÔÚÒ»¸öÔ²ÖùÐα¡±Ú²£Á§ÈÝÆ÷µ×²¿£¬·ÅÒ»¸ö±ß³¤Îª10cmµÄÕý·½ÌåÎï¿é£¬È»ºóÖð½¥ÏòÈÝÆ÷Öе¹Ë®£¨Ê¼ÖÕδÒç³ö£©£®Í¨¹ý²âÁ¿ÈÝÆ÷ÖÐË®µÄÉî¶Èh£¬·Ö±ð¼ÆËã³ö¸ÃÎï¿éËùÊܵ½µÄ¸¡Á¦F¸¡£¬²¢»æÖÆÁËÈçͼËùʾµÄͼÏó£®·ÖÎöͼÏó¿ÉÖª£¬ÔÚ²»¶ÏÍùÈÝÆ÷Öе¹Ë®Éî¶ÈÖð½¥Ôö¼ÓµÄ¹ý³ÌÖУ¬Îï¿éÊܵ½¸¡Á¦µÄ±ä»¯¹æÂÉÊÇ
Ë®µÄÉî¶ÈÓÉ0Öð½¥Ôö¼Óµ½8cmµÄ¹ý³ÌÖУ¬Îï¿éÊܵ½µÄ¸¡Á¦Ô½À´Ô½´ó£»µ±Ë®µÄÉî¶ÈÔö´óµ½8cmºó£¬Îï¿éÊܵ½µÄ¸¡Á¦²»ÔÙ·¢Éú±ä»¯
Ë®µÄÉî¶ÈÓÉ0Öð½¥Ôö¼Óµ½8cmµÄ¹ý³ÌÖУ¬Îï¿éÊܵ½µÄ¸¡Á¦Ô½À´Ô½´ó£»µ±Ë®µÄÉî¶ÈÔö´óµ½8cmºó£¬Îï¿éÊܵ½µÄ¸¡Á¦²»ÔÙ·¢Éú±ä»¯
£¬µ±Îï¿é¾²Ö¹Ê±£¬Ë®¶ÔÎï¿éµ×²¿µÄѹǿÊÇ
800Pa
800Pa
£¬Îï¿éµÄÃܶÈÊÇ
0.8¡Á103kg/m3
0.8¡Á103kg/m3
£®£¨g=10N/kg£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÎïÀíÐËȤС×éͬѧ¶ÔÎïÌåµÄ¸¡³ÁÌõ¼þ½øÐÐÑо¿£®ÔÚÒ»¸öÖØΪ4N£¬µ×Ãæ»ýΪ200cm2µÄÔ²ÖùÐα¡±Ú²£Á§ÈÝÆ÷µ×²¿£¬·ÅÒ»¸ö±ß³¤Îª10cm£¬µÄÕý·½ÌåÎï¿é£¬È»ºóÖð½¥ÏòÈÝÆ÷Öе¹Ë®£¨Ë®Ê¼ÖÕδÒç³ö£©£®Í¨¹ý²âÁ¿ÈÝÆ÷ÖÐË®µÄÉî¶Èh£¬·Ö±ð¼ÆËã³ö¸ÃÎï¿éËùÊܵ½µÄ¸¡Á¦F¸¡£¬²¢»æÖÆÁËÈçͼËùʾµÄͼÏó£¬Çë½â´ðÏÂÁÐÎÊÌ⣮
£¨1£©·ÖÎöͼÏó¿ÉÖª£¬Ë®µÄÉî¶ÈÓÉ0Öð½¥Ôö¼Óµ½8cmµÄ¹ý³ÌÖÐÎï¿é¶ÔÈÝÆ÷µ×²¿µÄѹǿÓÖÔõÑù±ä»¯£¿
£¨2£©½«Îï¿éÈ¡³öºó£¬ÈôÈÝÆ÷ÖÐË®µÄÖØÁ¦Îª20N£¬´ËʱÈÝÆ÷¶Ôˮƽ×ÀÃæµÄѹǿÊǶàÉÙ£¿
£¨3£©Îï¿éµÄÃܶÈÊǶàÉÙ£¿

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2011?ÍòÖÝÇøÄ£Ä⣩ÎïÀíÐËȤС×éͬѧ¶ÔÎïÌåµÄ¸¡³ÁÌõ¼þ½øÐÐÑо¿£®ÔÚÒ»¸öÔ²ÖùÐβ£Á§ÈÝÆ÷µ×²¿£¬·ÅÒ»¸ö±ß³¤Îª10cmµÄÕý·½ÌåÎï¿é£¬È»ºóÖð½¥ÏòÈÝÆ÷Öе¹Ë®£¨Ë®Ê¼ÖÕδÒç³ö£©£®Í¨¹ý²âÁ¿ÈÝÆ÷ÖÐË®µÄÉî¶Èh£¬·Ö±ð¼ÆËã³ö¸ÃÎï¿éËùÊܵ½µÄ¸¡Á¦F¸¡£¬²¢»æÖÆÁËÈçͼËùʾµÄͼÏó£®
Çë½â´ðÏÂÁÐÎÊÌ⣮
£¨1£©·ÖÎöͼÏó¿ÉÖª£¬Ë®µÄÉî¶ÈÓÉ0Öð½¥Ôö¼Óµ½8cmÇ°µÄ¹ý³ÌÖУ¬Îï¿éÊܵ½µÄ¸¡Á¦
Ôö´ó
Ôö´ó
£¨Ñ¡ÌÔö´ó£¬¼õС£¬²»±ä£©£®
£¨2£©Ë®Éî10cmʱˮ¶ÔÈÝÆ÷µ×µÄѹǿÊÇ
1¡Á103
1¡Á103
pa£®£¨gÈ¡10N/kg£©
£¨3£©µ±ÈÝÆ÷ÖÐË®É¹ý8cm£®ÒÔºó£¬Îï¿éµÄ״̬ÊÇ
Ư¸¡
Ư¸¡
£®´ËÅжϵÄÒÀ¾ÝÊÇ
´Óͼ¿ÉÖª£¬Ë®µ½8cmʱ¸¡Á¦²»ÔÙÔö´ó£¬´ËʱÎïÌ岢ûÍêÈ«½þûˮÖУ¬Óв¿·ÖÌå»ý¶³öË®Ãæ
´Óͼ¿ÉÖª£¬Ë®µ½8cmʱ¸¡Á¦²»ÔÙÔö´ó£¬´ËʱÎïÌ岢ûÍêÈ«½þûˮÖУ¬Óв¿·ÖÌå»ý¶³öË®Ãæ
£®
£¨4£©Îï¿éµÄÃܶÈÊÇ
0.8¡Á103kg/m3
0.8¡Á103kg/m3
£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸