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

1 answer

a) Holding a 25 kg barbell over your head
c) Pushing on a car that will not move
d) Pushing a grocery cart through the store
e) Lifting a rock off the ground