A Bucket Filled with Water Has a Mass of 20

Multiple Choice

A bucket filled with water has a mass of 20.0 kg and is attached to a rope,which in turn,is wound around a 0.050-m radius cylinder at the top of a well.What torque does the weight of water and bucket produce on the cylinder if the cylinder is not permitted to rotate? (g = 9.80 m/s²)

A) 19.6 N·m
B) 9.8 N·m
C) 1.00 N·m
D) 400 N·m
E) 196 N·m