The correct answer is 1,600 joules.
Work (W) = force (F) x distance (d)
W = 400 N x 4 m
W = 1600 joules
Since the box slides forward for an additional meter without any force being applied, this distance is not considered in the calculation of work done by the person.
Force and Work Unit Test
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Question
A person pushes a box. He applies a force of 400 newtons, and he pushes the box for a distance of 4 meters. After he stops pushing, the box slides forward another meter. How much work was done by the person?(1 point)
Responses
1,600 joules
400 joules
2,000 joules
100 joules
1 answer
20 answers