What does unbalanced forces mean A. tendency to resist a change in motion
B. push or pull
C. amount of matter in a object
D. sum of all forces acting on an object
E. can change an object's motion
F. will not change an object's motion

A.

Explanation:

Unbalanced Forces - A force where two forces acting in opposing directions on a body, are not equal in magnitude and in size.

i think sylvia like her but she not trying to show it and i think rainbow will forgive her.

explanation:

(the answer is d)

hope this !