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In H.C.Verma con of phy vol-1 pg.77 ques no.5 how can v say that the ans is mgcos@ ???? I doing self-study.No coaching so kindly help me secure a good air in aieee 2011

In H.C.Verma con of phy vol-1 pg.77 ques no.5 how can v say that the ans is mgcos@  ????


 


I doing self-study.No coaching so kindly help me secure a good air in aieee 2011

Grade:12

1 Answers

vikas askiitian expert
509 Points
11 years ago

502_21806_normal.gif

here in this diagram , force is resolved into two components ...FG is net weight of body &

its component FGcos@ acts along normal so equal & opposite reaction is applied by incline but

other conponent FGsin@ is along incline so this force will not provide reaction so total force bw

block & icline is mgcos@ only ...

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