Final answer:
Examples of Newton's 1st Law of Motion include a girl sitting in a chair and wearing a seat belt when you drive.
Step-by-step explanation:
Newton's 1st Law of Motion states that an object at rest tends to stay at rest and an object in motion remains in motion with the same speed and in the same direction, unless acted upon by an external force.
- Girl sitting in a chair: The girl sitting in a chair is an example of the first law as she remains at rest until an external force is acted upon her to move.
- Boy kicking a soccer ball: The boy kicking a soccer ball is not an example of the first law as an external force (the kick) is acting on the ball to put it into motion.
- Wearing a seat belt when you drive: Wearing a seat belt when you drive is also an example of Newton's first law. If a car suddenly comes to a stop, the seat belt exerts a force on you, preventing you from continuing forward motion.
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