Two students (A and B) are wearing in-line roller skates as shown in the diagram.

Question

If Student A pushes by straightening her arms while Student B keeps her arms in the original position, what would describe the motion of the students?

Responses

Student A does not move, and Student B moves backward.
Student A does not move, and Student B moves backward.

Student B does not move, and Student A moves backward.
Student B does not move, and Student A moves backward.

Both students move in opposite directions.
Both students move in opposite directions.

Both students move towards each other.

Answer 1

Both students move in opposite directions.