Question

A book is placed on a chair. Then a videocassette is placed on the
book. The floor exerts a normal force
Select one:
a. only on the book.
b. upwards on the chair and downwards on the book.
C. on all three.
d. only on the objects that you have defined to be part of the
system.
e. only on the chair.​

Answer 1

Answer:

lollllllllllllllllllllllllllll