What are some an Example of undesirable Fiction

Speculative fiction is a broad category of fiction encompassing genres with certain elements that are nonexistent in terms of reality, recorded history, or nature and the present universe, covering various themes in the context of the supernatural, futuristic, and many other imaginative topics.[1] Under this umbrella category, the genres include, but are not limited to, science fiction, fantasy, horror, superhero fiction, alternate history, utopian and dystopian fiction, and supernatural fiction, as well as combinations thereof

Explanation:Im smart

the box does not move because you need to use a force greater than 300 n. you are only using 50 n. it needs to at least be 301 n for the box to move because then it is an unbalanced force and it will move the way that the greater force is pushing it. if you use only 300 n it will be a balanced force and will not move because the force you are exerting on the   box is the same as its force.

hope this !

im sorry if i went too in depth, i am going to include a link to a video on khan academy that will explain this.   hope that you like the video and that it explains more in detail to you.

that is the link.