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 on a car that will not move
b
Pushing a grocery cart through the store
c
Lifting a bag of groceries
d
Wind blowing against a tree
e
Carrying a box up a flight of stairs
f
Holding a 25 kg barbell over your head
g
Carrying a bag of groceries to the car
h
Lifting a rock off the ground