help I cant understand this, please?

1.5 kilojoules of work is done on the box if we multiply force and displacement with each other.
Work is the energy transferred to an object through the application of force along a displacement. It is represented as the product of force and displacement so we can conclude that 1.5 kilojoules of work is done on the box if we multiply force and displacement with each other.
Learn more about work here: https://brainly.com/question/445367