- #1
Lori
Homework Statement
A book is placed on a chair which is standing on the floor. An iPad is placed on the book. The floor exerts a significant force:
A) only on the book
B) Upwards on chair and downwards on book
C) ONLY upwards on chair
D) upwards on chair book and iPad
E) downwards on upad,book and chair
[/B]
Homework Equations
Third law, action reaction pair
The Attempt at a Solution
I was think it would be D) because the normal force has to be able to support the total weight of the chair, iPad, and book. But, I also think it could be C) because the normal force only acts on one object which can only be the chair.
Which is right and why?[/B]