Êú·ÅÔÚˮƽµØÃæÉϵÄÁ½¸öÎïÌåAºÍB¾ùΪʵÐij¤·½Ì壬ËüÃǵij¤¡¢¿í¡¢¸ßÈçͼËùʾ£®ÎïÌåAµÄÃܶÈΪ0.6×103ǧ¿Ë/Ã×3£¬ÎïÌåBµÄÖÊÁ¿Îª19.2ǧ¿Ë£®Çó£º
£¨1£©ÎïÌåAµÄÖÊÁ¿mA£»
£¨2£©ÎïÌåB¶ÔˮƽµØÃæѹÁ¦µÄ´óСFB£»
£¨3£©ÔÚ±£³ÖÎïÌåA¡¢BÔ­ÓзÅÖ÷½Ê½µÄÇé¿öÏ£¬²¢Í¨¹ýÒ»¶¨µÄ·½·¨Ê¹ËüÃǶÔˮƽµØÃæµÄѹǿÏàµÈ£®Ï±íÖÐÓÐÁ½ÖÖ·½°¸£¬ÇëÅжÏÕâÁ½ÖÖ·½°¸ÊÇ·ñ¿ÉÐУ¬ÈôÈÏΪ²»ÐУ¬Çë˵Ã÷ÀíÓÉ£»ÈôÈÏΪÐУ¬¼ÆËãËùµþ·ÅÎïÌåµÄÖØÁ¦G´£¨»òËù½ØÈ¡µÄÖÊÁ¿¡÷m£©£®
ÄÚ  ÈÝÅжϣ¨Ñ¡Ìî¡°ÐС±»ò¡°²»ÐС±£©
·½°¸Ò»ÔÚËüÃǶ¥²¿µþ·ÅÒ»¿éÏàͬµÄÎïÌ壮______
·½°¸¶þ·Ö±ð´ÓA¡¢BµÄÓÒ²àÑØÊúÖ±·½Ïò·Ö±ð½ØÈ¥ÖÊÁ¿ÏàµÈµÄ²¿·Ö£¬µþ·ÅÔÚ¶Ô·½Ê£Óಿ·ÖµÄÉϱíÃ森______
¢Û¼ÆËãËùµþ·ÅÎïÌåµÄÖØÁ¦G´£¨»òËù½ØÈ¡µÄÖÊÁ¿¡÷m£©£®

¡¾´ð°¸¡¿·ÖÎö£º¸ù¾ÝÃܶȵĹ«Ê½±äÐκó¿ÉµÃm=¦ÑV£¬´úÈëÊýÖµ¿ÉÇó³öÖÊÁ¿£»ÔÚ¹ÌÌåѹǿÖУ¬Ñ¹Á¦µÈÓÚ¹ÌÌåµÄÖØÁ¦£¬ÔÙÀûÓÃѹǿ¹«Ê½P=£¬¾ÍÇó³öѹǿ£»ÔÚ·ÖÎöµÚ3ÎÊʱ£¬×¢ÒâÖÊÁ¿±ä»¯»áÒýÆðѹÁ¦±ä»¯£¬Í¬Ê±Òª¿¼Âǵ×Ãæ»ýµÄ±ä»¯£¬Í³³ï¿¼ÂÇÕâЩÒòËغ󣬿ɷÖÎö³ö½á¹û£®
½â´ð£º½â£º£¨1£©ÎïÌåAµÄÖÊÁ¿ÎªmA=¦ÑAVA=0.6×103kg/m3×£¨0.2m×0.1m×0.4m£©=4.8kg£»
£¨2£©ÎïÌåB¶ÔˮƽµØÃæµÄѹÁ¦ÎªFB=GB=mBg=19.2kg×9.8N/kg=188.16N£»
£¨3£©Á½ÖÖ·½°¸¶¼ÐУ¬¼´¢ÙÐС¢¢ÚÐР                                            
¢Û·½°¸Ò»£º
µþ·ÅÒ»¿éÖÊÁ¿ÏàͬµÄÎïÌ壨ÆäÖØÁ¦ÎªG´£©ºóÓÐpA¡ä=pB¡ä£»
¼´£º=
¼´£º=
¹ÊµÃG´=235.2N                                  
·½°¸¶þ£º
ÑØÊúÖ±·½Ïò·Ö±ð½ØÈ¥ÖÊÁ¿ÏàµÈµÄ²¿·Ö£¨ÉèΪ¡÷m£©ºóÓÐPA¡ä=pB¡ä
¼´£º=
¼´£º=
¹ÊµÃ¡÷m=3.31kg£»
´ð£º£¨1£©ÎïÌåAµÄÖÊÁ¿Îª4.8kg£»
£¨2£©ÎïÌåB¶ÔˮƽµØÃæµÄѹÁ¦Îª188.16N£»
£¨3£©ÎªÊ¹ËüÃǶԵØÃæµÄѹǿÏàµÈ£¬ÔÚËüÃǶ¥²¿µþ·ÅÒ»¿éÏàͬµÄÎïÌå·½°¸¿ÉÐУ¬µþ·ÅÎïÌåµÄÖØÁ¦Îª235.2N£»·Ö±ð´ÓA¡¢BµÄÓÒ²àÑØÊúÖ±·½Ïò·Ö±ð½ØÈ¥ÖÊÁ¿ÏàµÈµÄ²¿·Ö£¬µþ·ÅÔÚ¶Ô·½Ê£Óಿ·ÖµÄÉϱíÃæµÄ·½°¸Ò²¿ÉÐУ¬½ØÈ¡µÄÖÊÁ¿Îª3.31kg£»
µãÆÀ£º´ËÌ⿼²éÁËÃܶÈ֪ʶºÍ¹ÌÌåѹǿµÄ֪ʶ£»×¥×¡¹ÌÌåѹǿµÄ¼ÆËã·½·¨£¬³ä·ÖÀûÓÃÌâÄ¿µÄÒÑÖªÁ¿£¬¿É½â¾ö´ËÌ⣮
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2013?µÂÑô£©ÈçͼËùʾÊǼס¢ÒÒÁ½ÖÖÎïÖʵÄÖÊÁ¿ºÍÌå»ýµÄ¹ØϵͼÏó£®ÈôÓÃÖÊÁ¿ÏàµÈµÄ¼×¡¢ÒÒÁ½ÖÖÎïÖÊ·Ö±ðÖƳɵȸߵÄʵÐÄÔ²ÖùÌåA¡¢B£¬°ÑËüÃDz¢ÅÅÊú·ÅÔÚˮƽµØÃæÉÏ£¬ÔòÁ½Ô²ÖùÌåA¡¢B¶ÔˮƽµØÃæµÄѹǿ֮±ÈΪ£¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2011?±¦É½Çøһģ£©Êú·ÅÔÚˮƽµØÃæÉϵÄÁ½¸öÎïÌåAºÍB¾ùΪʵÐij¤·½Ì壬ËüÃǵij¤¡¢¿í¡¢¸ßÈçͼËùʾ£®ÎïÌåAµÄÃܶÈΪ0.6¡Á103ǧ¿Ë/Ã×3£¬ÎïÌåBµÄÖÊÁ¿Îª19.2ǧ¿Ë£®Çó£º
£¨1£©ÎïÌåAµÄÖÊÁ¿mA£»
£¨2£©ÎïÌåB¶ÔˮƽµØÃæѹÁ¦µÄ´óСFB£»
£¨3£©ÔÚ±£³ÖÎïÌåA¡¢BÔ­ÓзÅÖ÷½Ê½µÄÇé¿öÏ£¬²¢Í¨¹ýÒ»¶¨µÄ·½·¨Ê¹ËüÃǶÔˮƽµØÃæµÄѹǿÏàµÈ£®Ï±íÖÐÓÐÁ½ÖÖ·½°¸£¬ÇëÅжÏÕâÁ½ÖÖ·½°¸ÊÇ·ñ¿ÉÐУ¬ÈôÈÏΪ²»ÐУ¬Çë˵Ã÷ÀíÓÉ£»ÈôÈÏΪÐУ¬¼ÆËãËùµþ·ÅÎïÌåµÄÖØÁ¦G?£¨»òËù½ØÈ¡µÄÖÊÁ¿¡÷m£©£®
ÄÚ  ÈÝ Åжϣ¨Ñ¡Ìî¡°ÐС±»ò¡°²»ÐС±£©
·½°¸Ò» ÔÚËüÃǶ¥²¿µþ·ÅÒ»¿éÏàͬµÄÎïÌ壮
ÐÐ
ÐÐ
·½°¸¶þ ·Ö±ð´ÓA¡¢BµÄÓÒ²àÑØÊúÖ±·½Ïò·Ö±ð½ØÈ¥ÖÊÁ¿ÏàµÈµÄ²¿·Ö£¬µþ·ÅÔÚ¶Ô·½Ê£Óಿ·ÖµÄÉϱíÃ森
ÐÐ
ÐÐ
¢Û¼ÆËãËùµþ·ÅÎïÌåµÄÖØÁ¦G?£¨»òËù½ØÈ¡µÄÖÊÁ¿¡÷m£©£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º½â´ðÌâ

Êú·ÅÔÚˮƽµØÃæÉϵÄÁ½¸öÎïÌåAºÍB¾ùΪʵÐij¤·½Ì壬ËüÃǵij¤¡¢¿í¡¢¸ßÈçͼËùʾ£®ÎïÌåAµÄÃܶÈΪ0.6¡Á103ǧ¿Ë/Ã×3£¬ÎïÌåBµÄÖÊÁ¿Îª19.2ǧ¿Ë£®Çó£º
£¨1£©ÎïÌåAµÄÖÊÁ¿mA£»
£¨2£©ÎïÌåB¶ÔˮƽµØÃæѹÁ¦µÄ´óСFB£»
£¨3£©ÔÚ±£³ÖÎïÌåA¡¢BÔ­ÓзÅÖ÷½Ê½µÄÇé¿öÏ£¬²¢Í¨¹ýÒ»¶¨µÄ·½·¨Ê¹ËüÃǶÔˮƽµØÃæµÄѹǿÏàµÈ£®Ï±íÖÐÓÐÁ½ÖÖ·½°¸£¬ÇëÅжÏÕâÁ½ÖÖ·½°¸ÊÇ·ñ¿ÉÐУ¬ÈôÈÏΪ²»ÐУ¬Çë˵Ã÷ÀíÓÉ£»ÈôÈÏΪÐУ¬¼ÆËãËùµþ·ÅÎïÌåµÄÖØÁ¦G?£¨»òËù½ØÈ¡µÄÖÊÁ¿¡÷m£©£®
ÄÚ¡¡ÈÝÅжϣ¨Ñ¡Ìî¡°ÐС±»ò¡°²»ÐС±£©
·½°¸Ò»ÔÚËüÃǶ¥²¿µþ·ÅÒ»¿éÏàͬµÄÎïÌ壮________
·½°¸¶þ·Ö±ð´ÓA¡¢BµÄÓÒ²àÑØÊúÖ±·½Ïò·Ö±ð½ØÈ¥ÖÊÁ¿ÏàµÈµÄ²¿·Ö£¬µþ·ÅÔÚ¶Ô·½Ê£Óಿ·ÖµÄÉϱíÃ森________
¢Û¼ÆËãËùµþ·ÅÎïÌåµÄÖØÁ¦G?£¨»òËù½ØÈ¡µÄÖÊÁ¿¡÷m£©£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

Êú·ÅÔÚˮƽµØÃæÉϵÄÁ½¸öÎïÌåAºÍB¾ùΪʵÐij¤·½Ì壬ËüÃǵij¤¡¢¿í¡¢¸ßÈçͼ12Ëùʾ¡£ÎïÌåAµÄÃܶÈΪ0.6¡Á103ǧ¿Ë/Ã×3£¬ÎïÌåBµÄÖÊÁ¿Îª19.2ǧ¿Ë¡£

Ç󣺢ÅÎïÌåAµÄÖÊÁ¿mA£»

¢ÆÎïÌåB¶ÔˮƽµØÃæѹÁ¦µÄ´óСF B£»

¢ÇÔÚ±£³ÖÎïÌåA¡¢BÔ­ÓзÅÖ÷½Ê½µÄÇé¿öÏ£¬²¢Í¨¹ýÒ»¶¨µÄ·½·¨Ê¹ËüÃǶÔˮƽµØÃæµÄѹǿÏàµÈ¡£Ï±íÖÐÓÐÁ½ÖÖ·½°¸£¬ÇëÅжÏÕâÁ½ÖÖ·½°¸ÊÇ·ñ¿ÉÐУ¬ÈôÈÏΪ²»ÐУ¬Çë˵Ã÷ÀíÓÉ£»ÈôÈÏΪÐУ¬¼ÆËãËùµþ·ÅÎïÌåµÄÖØÁ¦G´£¨»òËù½ØÈ¡µÄÖÊÁ¿¦¤m£©¡£

ÄÚ  ÈÝ

Åжϣ¨Ñ¡Ìî¡°ÐС±»ò¡°²»ÐС±£©

·½°¸Ò»

ÔÚËüÃǶ¥²¿µþ·ÅÒ»¿éÏàͬµÄÎïÌå¡£

    ¢Ù   

·½°¸¶þ

·Ö±ð´ÓA¡¢BµÄÓÒ²àÑØÊúÖ±·½Ïò·Ö±ð½ØÈ¥ÖÊÁ¿ÏàµÈµÄ²¿·Ö£¬µþ·ÅÔÚ¶Ô·½Ê£Óಿ·ÖµÄÉϱíÃæ¡£

    ¢Ú   

¢Û ¼ÆËãËùµþ·ÅÎïÌåµÄÖØÁ¦G´£¨»òËù½ØÈ¡µÄÖÊÁ¿¦¤m£©¡£

  

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸