<h2>Δ:::::::::::::::Hello Person:::::::::::::::Δ</h2><h3>∵Your answer should be:∵</h3>
<em>A. a book sitting on a high shelf. </em>
<em>The book's force is pushing down while the shelf's force is pushing up </em><em>against </em><em>the book at an equal force helping it balance. </em><em>The answer would be B.</em>
