How to find the amount of work done on an object

HallsofIvy

And g is the acceleration due to gravity, 9.81 m/s², so what is the weight of the book, mg?

And lifting it a tota vertical distance of 3.5 m (NOT 1.1+ 3.5 m. Do you see why?) what work is done on the book?

HallsofIvy Recognitions: Gold Member Science Advisor Staff Emeritus	And g is the acceleration due to gravity, 9.81 m/s², so what is the weight of the book, mg? And lifting it a tota vertical distance of 3.5 m (NOT 1.1+ 3.5 m. Do you see why?) what work is done on the book?