Which of the following are examples of work being done on an object? Choose all 4 that apply.

a
A stack of books sitting on a bookshelf
b
Climbing a mountain
c
Sleeping
d
Leaning up against the wall
e
Sitting on the couch watching TV
f
Jumping jacks
g
Carrying a bag of groceries into the house
h
Putting the dishes on the top shelf

b

Climbing a mountain

d
Leaning up against the wall

f
Jumping jacks

g
Carrying a bag of groceries into the house