Recent content by Olivia Lam

Thank you! Then N=mg cosθ =mg^2/r w^2 ?

Hi, I have problem about my phy assignment, then I find this!

a.)N cos θ=mg N sin θ=mrw^2 sin θ cos θ=g/rw^2 b.) My question is reaction force =N ? or =F=mg tanθ ? If it is N then N=mg cosθ =mg^2/r w^2 or N=mg/cosθ =mrw^2 ? Thank you