(Q).
Compared with a less powerful device, a more powerful device can either do more work in the same time or do the same work in less time.  If Jim downgrades his computer to a less powerful model, what happens to the amount of work it can perform it can perform more work then before or it can perform less work then before?
(A).
it can perform less work then before


(Q).
The farther the sound waves travel away from the source, the more spread out their energy becomes.  If Milo is listening to the radio and he moves to the far end of the room, what happens to the sound waves entering his ear they spread out less or they spread out more?
(A).
they spread out more


(Q).
Objects that are closer together have a stronger force of gravity between them.  What would happen to the force of gravity between two soccer balls if Jim moved them farther apart it would increase or it would decrease?
(A).
it would decrease