関連ワード:  work done on the system is positive or negative in physics    work done on the system is positive or negative in physics thermodynamics    work done on the system is positive or negative in physics and chemistry    work done on the system is positive or negative in physics answer    work done by the system is positive or negative    in physics work done by the system is positive    is work done on a system positive  
結果 : work done on the system is positive or negative in physics