What Motor Power is Needed to Move a Cylinder Drum?

[zexonsmart]

Base on the question, i would like to know the the torque,power transmission needed .

diameter of cylinder: 1.2m
length of cylinder:1.5m
thickness of the drum: 2mm
total load carry: 200kg

how to determine the motor power needed?

 

[berkeman]

Is this a homework question? What is the application?

 

[zexonsmart]

it can consider as homework..the cylinder drum used to lower the humidity percentage of garbage.