The diagrams below show forces acting upon an object. which objects could be moving i the right? circle all that apply

An authentic twofer !  I don't see a lot of those on ,
but I'll admit that they're becoming more common lately.

A twofer (my label) is a question that refers to two different
sets of information and then doesn't show you either one.

You haven't let us see "the diagrams below" OR the list of objects to circle. 

Answer mechanical energy;