- #1
isukatphysics69
- 453
- 8
In picture
Homework Equations
f=ma
v^2/r
The Attempt at a Solution
ΣFy=-mg - Fn = m(-v^2/r)
-55*9.8 - Fn = m(-v^2/r)
v= 16π/4.5 since circumference = 2πr divide by the rotations time taken per second = 11.17m/s
-Fn = 55(-15.6) + 55*9.8
Fn = -319
What am i doing wrong here??