level 1
polariswow
楼主
1.Two forces Pand Q have a resultant force R with a maximum value of 60N and a minimum value of 10N.Find R if the angle between Pand Q is 40.
2010年09月05日 07点09分
1
Hi man! Are you from USA?Can you speak chinese？May be I could give you help on that qustion, [email protected],join me ,welcome! I am WANG QI ,
2012年03月06日 11点03分
