Question

Which sentence describes Newton's second law? A. When the forces on an object are balanced, the object does not move. B. The action force applied by one object to another is equal in magnitude to the reaction force. C. Two forces are unbalanced if they are unequal or they are not acting in opposite directions. D. Larger net forces are required to accelerate objects that have more mass

Answer 1

As a hint, Newton's second law is F = M*a
Now for b, that is newton's third law,