For the statement of the following, explain whether or not you think that logos is being used effectively

"you don't need to jump in front of a train to know its a bad idea; so why do you need to try drugs to know if they're damaging"

Yes, logos is being used effectively in this statement. The comparison between jumping in front of a train and trying drugs is logical and highlights the potential dangers of experimenting with drugs without firsthand knowledge of the consequences. The analogy appeals to reason and common sense, making a convincing argument against trying drugs.