W =F triangle d cosine0. F = 25 Newton’s. Delta d = 50 meters. Theta =40.0 degrees
If you are working with electricity most people will measure it in watts.
So, A. watts is your best answer.
Hope I helped! ^w^
B. They are rearranged.
The First Law of Thermodynamics states that matter and energy can not be created or destroyed.
Friction occurs when the surfaces and heat of two surfaces grind against each other.
I think these are the answers