A book is resting on a table. How many forces would be in the free-body diagram of the book?
A) one
B) two of the same type
C) two of different types
D) three or more of the same type
E) three or more of at least two different types

Question

Quizplus · Accepted Answer

There are two forces acting on the book: the force of gravity pulling it downwards and the normal force of the table pushing it upwards. These forces are of different types (gravitational and normal), so the answer is C: two forces of different types.

A Book Is Resting on a Table