Which of the listed scenarios fits this free body diagram best? Fnorm Ffrict Fapp grav O A book is at rest on a tabletop. O An egg is free-falling from a nest in a tree. Neglect air resistance. O A rightward force is applied to a book in order to move it across a desk with a rightward acceleration. Consider frictional forces. Neglect air resistance O A rightward force is applied to a book in order to move it across a desk at constant velocity. Consider frictional forces. Neglect air resistance