At the beginning of a unit on forces, Ms. Alton is leading a class discussion asking her students what they know about forces. Below is a list of the ideas brought up by her class.

I. A force is a push or pull on an object.
II. The amount of force an object has depends on its size.
III. Forces have both a strength and direction.
IV. When two objects collide, the force of one object is transferred to the second object.
V. A moving object stops when its force is used up.
VI. There are no forces on an object that is not moving.
Which of these student responses would you consider to be correct?
For each that is incorrect, what is incorrect about it?