How is a joule defined?
A. It is the work done when a force of 1 newton is applied to an object for a distance of 1 meter.
B. It is the force needed to make an object with a mass of 1 kilogram accelerate by 1 kilogram per second squared.
C. It is the force needed to make an object with a mass of 1 kilogram travel 1 meter.
D. It is the work done when a force of 1 newton is applied to accelerate an object by 1 kilogram per second squared.
