Which of the following is not an example of work?
Araising a barbell over your head
Bpicking up a box off the floor
Cholding a tray in the cafeteria line
Dpushing a box across the floor
Araising a barbell over your head
Bpicking up a box off the floor
Cholding a tray in the cafeteria line
Dpushing a box across the floor