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