Final answer:
The word 'nag' in the sentence 'I won't cooperate if he continues to nag me in a whiny voice' has a negative connotation similar to 'urge'.
Step-by-step explanation:
The sentence in which the underlined word has the same denotation as urge but a negative connotation is: "I won't cooperate if he continues to nag me in a whiny voice." The word "nag" shares a similar meaning to urge, as it implies persistently encouraging someone to do something, but it carries a negative connotation, suggesting annoyance and pestering. In this sentence, 'goad' means to provoke or incite someone, similar to 'urge.' However, the negative connotation implies that someone is being pushed or pressured in a negative or harmful way.