Homework Statement
https://www.dropbox.com/s/slpu1p8jplmxzmy/Screenshot%202014-11-18%2020.11.58.png?dl=0
Homework Equations
Fnet = ma
ma = (mv^2)/r
The Attempt at a Solution
ai) Ft up, mg down
/\Ft
I
m
I
\/mg
aii) both down
m
I I
\/mg \/Ft
aiii) Ft right, mg down
m - >Ft
I
\/mg
b)...