Read the following scenario.

Kelley chooses to move a bookshelf in his room so that he can better access it. He wants to start by moving it into the center of the room. Standing behind it, he begins to push.

Based on this information, which of the following statements is correct?

It will move to the right due to a balanced force.
It will move to the right due to a balanced force.

It will stay still because of the bookshelf’s gravity.
It will stay still because of the bookshelf’s gravity.

It will move to the left because of its magnitude.
It will move to the left because of its magnitude.

It will move forward due to an unbalanced force.
It will move forward due to an unbalanced force.

It will move forward due to an unbalanced force.