The torque that is produced at the center of the drum is 50 Nm.
The term torque has to do with a force that leads to a turning effect. I can use the example of a tap to show you what is meant by a torque. The force that is exerted on a tap causes the tap to turn and this is what we mean by saying that a torque would produce a turning effect.
We have the following;
Force = 250 N
Distance = 20 cm or 0.2 m
Torque = 250 N * 0.2 m
= 50 Nm
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