Directions: Students are measuring four boxes using spring scales. The diagram shows their investigation. Use the picture to answer any questions that follow.

Multiple Choice Question
The students claim that the force required to move the boxes is directly proportional to their mass. Which argument best supports their claim?
A.
Box W requires the least amount of force because it has the most amount of surface area.

B.
Box X requires the least amount of force because it has the least amount of newtons.

C.
Box Y requires the least amount of force because it has the most amount of newtons.

D.
Box Z requires the least amount of force because it has the least amount of surface area.

The best argument that supports the students' claim is D. Box Z requires the least amount of force because it has the least amount of surface area.