Question 2 1 pts
Which of the following statements is
true?
Unbalanced forces never change an object's
motion.
Balanced forces have nothing to do with moving
objects.
An object can still be moving when the forces on it
are balanced.
Unbalanced forces always cause an object to speed
up.

Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.