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