lf the internal energy of the system decrease, then what can be conclude about the heat and the work done? A, Heat is added to the system and work is done by the system B, Heat is removed from the system and work is done by the system C, Heat is removed from the system and work is done on the system D, Heat is added to the system and work is done on the system​

Suppose you have a box. which of these is not necessarily a true statement regarding the relationship between the force applied to the box, the work done on the box, and the distance the box is moved? a. if the box is not moved, no force is being applied to the box. b. if no force is applied to the box, no work is done on the box. c. if work is done on the box, then a force is applied to the box. d. if work is done on the box, then the box is moved a distance.