Newton's first law says that an object that is not moving or is at will stay at an object that is moving will keep moving with constant which means at the same and in the same unless an force acts on the object.

Newton's first law says that an object that is not moving or is at rest will stay at rest an object that is moving will keep moving with a constant velocity which means at the same speed and in the same direction unless an unbalanced force acts on the object.

Explanation:

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1. rest

2. rest

3. velocity

4. speed

5. direction

6. unbalanced force

Explanation:

Newton's First Law of Motion is all about "Inertia." It states that every object will remain in its state of rest or motion unless a force compels it to change its current state. This force is known as "unbalanced force," a force which causes an object to accelerate.

For example, a ball will remain on the floor (at rest) unless somebody kicks the ball. The force of the kick is considered the "unbalanced force" because it made the ball move.