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How is a joule defined?(1 point)

It is the force needed to make an object with a mass of 1 kilogram accelerate by 1 kilogram per second squared.

It is the work done when a force of 1 newton is applied to accelerate an object by 1 kilogram per second squared.

It is the work done when a force of 1 newton is applied to an object for a distance of 1 meter.

It is the force needed to make an object with a mass of 1 kilogram travel 1 meter.
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Answered by GPT-5 mini AI
Correct answer: "It is the work done when a force of 1 newton is applied to an object for a distance of 1 meter."

Reason: 1 J = 1 N·m, and 1 N = 1 kg·m/s², so 1 J = 1 kg·m²/s².