In order to be considered a vector, a quantity must include Magnitude (A) and Direction (D).
I beleive she isnt doing any work due to holding the box motionless, you must be exerting a force in the direction of the box motion. If she is just standing there holding the box their isn't no work becuase no distance has been covered. work = force = distance.
Climatology is a subspecialty of Meterology.
I only know what number 1. is and its Mechanical Energy.
