The unused book remained on the shelf for two years until it was removed. This…
2016
The unused book remained on the shelf for two years until it was removed. This is an example of what?
- A.
Newton's third law of motion
- B.
Newton's first law of motion and Newton's third law of motion in partial form
- C.
Newton's first law of motion
- D.
Newton's second law of motion
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Correct answer: C
The book remained at rest on the shelf for two years because no external force acted upon it. This scenario perfectly demonstrates Newton's first law of motion, which states that an object at rest will remain at rest unless acted upon by an unbalanced external force. The law describes inertia, the tendency of objects to resist changes in their state of motion.