If you drop your textbook, while it is falling it speeds up, therefore
A)there are no forces acting on the book.
B)all of the forces acting on the book are balanced.
C)the forces acting on the book are unbalanced.
D)none of the above

Question

Quizplus · Accepted Answer

According to Newton's Second Law of Motion, when there is an unbalanced force acting on an object, it will accelerate. In this case, the force of gravity is acting on the book, causing it to accelerate as it falls. Therefore, the forces acting on the book are unbalanced.

If You Drop Your Textbook, While It Is Falling It