1ãPï¼Ïghï¼1000Ã10Ã0.12ï¼1200pa
2ãPï¼F/sï¼Gæ»/s
å³ï¼2700ï¼Gæ»/0.001
Gæ»ï¼2.7N
å
¶ä¸ï¼Gæ°´ï¼mæ°´gï¼0.15Ã10ï¼1.5N
æ以ï¼Gæ¯ï¼2.7ï¼1.5ï¼1.2N
è´¨é为ï¼mæ¯ï¼Gæ¯/gï¼1.2/10=0.12kg
3ã æ¯å¯¹æ¡é¢çååï¼çäºä¸è
çæ»éï¼å³å°é¢æèµ·äºæ¯åãæ°´åæ¨åï¼
F=Gæ»ï¼2.7ï¼Gæ¨ï¼2.7ï¼0.05Ã10ï¼3.2N
å¦ææ±å强ï¼åé¤ä»¥ååé¢ç§¯å³å¯ã
åºè¯¥æ¯3200pa
温馨提示:答案为网友推荐,仅供参考