Question

which situation is contrary to newtons first law of motion? an object at rest begins to move when an external force is applied. a moving object has a constant velocity under the influence of balanced forces. an object at rest stays at rest as long as unbalanced forces act on it. a moving object slows down when an external force is applied.

Explanation:

Newton's first law states that an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force. An object at rest should move when an unbalanced force acts on it, not stay at rest.

Answer:

An object at rest stays at rest as long as unbalanced forces act on it.