Which of the following are examples of work being done on an object? Choose the 4 that apply.
This meme took a lot of WORK to make : r/physicsmemes
a
Pushing a grocery cart through the store
b
Pushing on a car that will not move
c
Lifting a rock off the ground
d
Lifting a bag of groceries
e
Wind blowing against a tree
f
Carrying a bag of groceries to the car
g
Holding a 25 kg barbell over your head
h
Carrying a box up a flight of stairs