The resultant of two forces 3p and 2p is R.If the first force is doubled then the resultant is also doubled.The angle between the two forces is?please explain answer to me,i don't want direct numerical value.
Then buy interactive physics,it teaches application of concepts,solve hc verma problems first then switch to ie irodov + you can also try morrision and boyd or solomon in organic ,jd lee in inorganic chemistry and peter atkhins in physical part