If you push sideways gently on your textbook and it doesn't move, it is most likely because
A) the book's mass is large enough to resist your push.
B) your push is too small to overcome the book's inertia.
C) friction is pushing on the book in the opposite direction as your push.
D) of none of the above.

Question

Quizplus · Accepted Answer

When we push on an object, there is usually some amount of friction between the object and the surface it is on. This friction creates an equal and opposite force to our push, which can prevent the textbook from moving sideways. This is why even a gentle push may not move the book.

If You Push Sideways Gently on Your Textbook and It