The flow of heat in a cold soft drink will be from ______.
a. the drink to the ice cubes
b. the drink to the outside air
c. the drink to the glass
d. the ice cubes to the drink
Question 2
A chair is placed on a rug. Then a book is placed on the chair. The floor exerts a normal force
a. on all three. b. only on the book.
c. only on the rug.
d. upwards on the rug and downwards on the chair.
e. only on the objects you have defined to be part of the system.