Work Done Gains Energy, Heat Energy is Wasted

[sweedeljoseph]

Homework Statement

Fill in the blanks:
Energy is related to work in the way that, when _______ is done on a system, it gains _______, and _______ can be used to do _______ in a system.

The heat energy isn't part of the useful work done by machines, so this energy is considered _______.

Homework Equations

i don't really know what all words would fit in. i just came up with those. if you think you know it just reply back i would appreciate any answer. but i would love it if they were right haha

The Attempt at a Solution

i think but I am not sure if its right
Energy is related to work in the way that, when WORK is done on a system, it gains ENERGY, and _______ can be used to do _______ in a system.thank you!
sweedeljoseph

 

[krausr79]

Yeah, that seems right. Then go energy, work for the last two?

 

[aamphys]

i think the last part is "and energy can be used to do work in a system".it makes sense that way i don't know bout the part u filled out.

 

[sweedeljoseph]

thank you!
=]