Question

question ①
the minimum number of forces that act on a book resting on a table is
answer
○ 3
○ 4
○ 1
○ unknowable
○ 2
○ i dont know yet

Explanation:

A book at rest on a table has two minimum forces: the downward gravitational force (weight) exerted by Earth on the book, and the upward normal force exerted by the table on the book. These two forces balance each other, keeping the book stationary.

Answer:

2