An elevator lifts 15 occupants up 21 floors ( 64.42 -m). The mass of each occupant is 80.52 -kg. Calculate the work done on the elevator. 0 HA ? Value Units Submit Request AnswerPart A - Work is a ; a + or - sign on a work value indicates information about O scalar; the direction of the work vector O vector; the direction of the work vector O vector; whether the work adds or removes energy from the object O scalar; whether the work adds or removes energy from the object Submit Request Answer Part B - Work is a acting over some amount of to cause a change in O force; distance; energy force; time; acceleration energy; force, distance O acceleration, distance, energy Submit Request AnswerPart B - Work is a acting over some amount of to cause a change In O force; distance; energy O force; time; acceleration O energy; force, distance O acceleration, distance, energy Submit Request Answer Part C - Which of the following represents the units of work? Check all the apply. Joule foot pound O Nm Kg m/s O kgm/s2 kg m2/s2 Submit Request AnswerPart A Person X pushes twice as hard against a stationary brick wall as person Y. Which one of the following statements is correct? O Both do positive work, but person X does one-half the work of person Y. O Both do the same amount of positive work. O Both do positive work, but person X does twice the work of person Y: Both do positive work, but person X does four times the work of person Y. Both do zero work. Submit Request Answer Part A - Calculate the amount of work done by the applied force. A 95 N force is applied to move a 42 kg object a horizontal distance to the right of 2 m. F m HA Value Units Submit Request AnswerPart C - Calculate the amount of work done by the applied force. A 95 N force is applied to move a 42 kg object upward 2 m with a constant speed. F m HA + 0 0 ? Value Units Submit Request Answer