You are moving into an apartment and take the elevator to the 6th floor. suppose your weight is 685 n and that of your belongings is 915 n. (a) determine the work done by the elevator in lifting you and your belongings up to the 6th floor (15.2 m) at a constant velocity. (b) how much work does the elevator do on you alone (without belongings) on the downward trip, which is also made at a constant velocity