What are the similarities between fundamental forces?

If forces acting on an object are unbalanced, which factors may result fron an unbalanced force? check all that apply

The energy equivalent of the rest mass of an electron is

Aball thrown by ginger is moving upward through the air. diagram a shows a box with a downward arrow. diagram b shows a box with an upward arrow. diagram c shows a box with a downward and upward arrow equal in size. diagram d shows a box with a downward and upward arrow with the downward arrow larger in size. which force diagram represents the forces on the ball? you may neglect the effects of air resistance.