ÌâÄ¿ÄÚÈÝ

16£®ÈçͼËùʾ£¬¼×¡¢ÒÒ¡¢±ûÈý¸öÎïÌå·ÅÔÚÔÈËÙת¶¯µÄˮƽ´Ö²ÚԲ̨ÉÏ£¬¼×µÄÖÊÁ¿Îª2m£¬ÒÒ¡¢±ûµÄÖÊÁ¿¾ùΪm£¬¼×¡¢ÒÒÀëÖáΪR£¬±ûÀëÖáΪ2R£¬Ôòµ±Ô²Ì¨Ðýתʱ£¨Éè¼×¡¢ÒÒ¡¢±ûʼÖÕÓëԲ̨±£³ÖÏà¶Ô¾²Ö¹£©£¬ÏÂÁÐÅжÏÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®¼×ÎïÌåµÄÏòÐļÓËٶȱÈÒÒÎïÌåµÄÏòÐļÓËÙ¶È´ó
B£®ÒÒÎïÌåµÄ½ÇËٶȱȱûÎïÌåµÄ½ÇËÙ¶ÈС
C£®¼×ÎïÌåµÄÏßËٶȱȱûÎïÌåµÄÏßËÙ¶ÈС
D£®ÒÒÎïÌåÊܵ½µÄºÏÁ¦±È±ûÎïÌåÊܵ½µÄºÏÁ¦Ð¡

·ÖÎö ¼×¡¢ÒÒ¡¢±û¹²Öáת¶¯£¬½ÇËÙ¶È´óСÏàµÈ£¬¸ù¾ÝÏßËÙ¶È¡¢ÏòÐÄÁ¦¡¢ÏòÐļÓËٶȹ«Ê½¼´¿ÉÅжÏת£®

½â´ð ½â£ºA¡¢¸ù¾ÝÏòÐļÓËÙ¶Èa=r¦Ø2£¬ÇҼס¢ÒÒ°ë¾¶ÏàµÈ£¬¿ÉÖª£¬¼×ÎïÌåµÄÏòÐļÓËٶȺÍÒÒÎïÌåµÄÏòÐļÓËÙ¶ÈÏàµÈ£¬¹ÊA´íÎó£»
B¡¢¼×¡¢ÒÒ¡¢±ûת¶¯µÄ½ÇËÙ¶È´óСÏàµÈ£¬¸ù¾Ýv=¦Ør£¬ÇҼ׵İ뾶СÓÚ±ûµÄ°ë¾¶¿ÉÖª£¬¼×ÎïÌåµÄÏßËٶȱȱûÎïÌåµÄÏßËÙ¶ÈС£¬¹ÊB´íÎó£¬CÕýÈ·£»
D¡¢¸ù¾ÝF=mr¦Ø2Öª£¬¼×¡¢ÒÒ¡¢±ûµÄÖÊÁ¿Ö®±ÈΪ2£º1£º1£¬×ª¶¯µÄ°ë¾¶Ö®±ÈΪ1£º1£º2£¬ÔòÏòÐÄÁ¦´óС֮±ÈΪ2£º1£º2£¬ËùÒÔÒÒÎïÌåÊܵ½µÄÏòÐÄÁ¦±È±ûÎïÌåÊܵ½µÄÏòÐÄÁ¦Ð¡£¬¹ÊDÕýÈ·£®
¹ÊÑ¡£ºCD£®

µãÆÀ ½â¾ö±¾ÌâµÄ¹Ø¼üÖªµÀ¹²Öáת¶¯£¬½ÇËÙ¶ÈÏàµÈ£¬½áºÏv=¦Ør£¬a=r¦Ø2£¬F=mr¦Ø2·ÖÎöÇó½â

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
11£®ÓÃÈçͼËùʾµÄʵÑé×°ÖÃÑéÖ¤»úеÄÜÊØºã¶¨ÂÉ£¬´òµã¼ÆÊ±Æ÷ÔÚÖØÎïÍÐ×ŵÄÖ½´øÉÏ´ò³öһϵÁеĵ㣬¶ÔÖ½´øÉϵĵ㼣½øÐвâÁ¿£¬¼´¿ÉÑéÖ¤»úеÄÜÊØºã¶¨ÂÉ£®

£¨1£©ÏÂÁÐÁоÙÁ˸ÃʵÑéµÄ¼¸¸ö²Ù×÷²½Öè
A£®°´ÕÕͼ1ËùʾµÄ×°Öð²×°Æ÷¼þ£»
B£®½«´òµã¼ÆÊ±Æ÷½ÓÉϽ»Á÷µçÔ´ÉÏ£»
C£®ÓÃÌìÆ½²âÁ¿³öÖØÎïµÄÖÊÁ¿£»
D£®ÏȽÓͨµçÔ´£¬ÔÙËÉÊÖÊÍ·ÅÖ½´ø£»
E£®Ñ¡ÔñºÏÊʵÄÖ½´ø£¬²âÁ¿´ò³öµÄÖ½´øÉÏijµãµ½µÚÒ»µãÖ®¼äµÄ¾àÀ룻
F£®¸ù¾Ýv2=2gh£¬Ëã³öËùÑо¿µãµÄ˲ʱËÙ¶È£»
G£®¸ù¾Ý²âÁ¿µÄ½á¹û¼ÆËãÖØÎïÏÂÂä¹ý³ÌÖмõÉÙµÄÖØÁ¦ÊÆÄÜÊÇ·ñµÈÓÚÔö¼ÓµÄ¶¯ÄÜ
ÉÏÊö²Ù×÷ÖÐûÓбØÒª½øÐеĻòÕß´íÎóµÄ²½ÖèÓÐCF£¨ÌîÈëÏàÓ¦µÄ×Öĸ£©£®
£¨2£©ÈôʵÑéÖÐËùÓÃÖØÎïÖÊÁ¿Îª1.00kg£¬´ò³öµÄÖ½´øÈçͼ2Ëùʾ£¨OµãΪ¿ªÊ¼ÏÂÂäµã£¬OµãÓëAµã¼äÆäËûµãδ»­³ö£©£¬¶ÔÓ¦ÊýÖµ±íʾ¸Ãµãµ½OµãµÄ¾àÀ룬´òµãµÄʱ¼ä¼ä¸ôΪ0.02s£¬Ôò´ÓOµã¿ªÊ¼ÏÂÂäÆðÖÁBµã£¬¶¯ÄܵÄÔö¼ÓÁ¿¡÷Ek=4.50J£®£¨½á¹ûÈ¡3λÓÐЧÊý×Ö£©
£¨3£©ÔÚÎó²îÔÊÐíµÄ·¶Î§ÄÚ£¬ÈôÖØÁ¦ÊÆÄܵļõÉÙÁ¿¡÷EpÓ붯ÄܵÄÔö¼ÓÁ¿¡÷Ek½üËÆÏàµÈ£¬¼´¿ÉÑéÖ¤»úеÄÜÊØºã¶¨ÂÉ£¬ÊµÑéÖм´Ê¹Ã»ÓÐÃ÷ÏÔ´íÎó£¬Ò²×ÜÄܵõ½¡÷Ep£¾¡÷Ek£¨Ñ¡Ìî¡°£¾¡±¡°£¼¡±»ò¡°=¡±£©£¬Ôì³ÉÕâÖÖϵͳÎó²îµÄÔ­ÒòÊÇÔ˶¯¹ý³ÌÖÐÊܵ½×èÁ¦£®

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

¾«Ó¢¼Ò½ÌÍø