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Which of these motions is an example of periodic motion?
- a)A car stopping at a signal
- b)The Earth rotating on its axis
- c)A person walking randomly
- d)A book lying on a table
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Which of these motions is an example of periodic motion?a)A car stoppi...
The Earth rotates on its axis in a fixed time (24 hours) repeatedly, making it a periodic motion.
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Which of these motions is an example of periodic motion?a)A car stoppi...
Understanding Periodic Motion
Periodic motion refers to any motion that repeats itself at regular intervals of time. It is characterized by a cycle, which is a complete sequence of motions that returns to the starting point.
Why Option B is Correct
- The Earth rotating on its axis is a classic example of periodic motion:
- Regular Interval: The Earth takes approximately 24 hours to complete one full rotation.
- Predictable Cycle: This rotation causes day and night, which occur in a predictable pattern.
- Repetitive Nature: Every day, the Earth returns to the same position relative to the sun, fulfilling the criteria of periodicity.
Other Options Explained
- Option A: A car stopping at a signal
- This motion is not periodic as it does not repeat at regular intervals. The timing of the stops depends on traffic signals, which can vary.
- Option C: A person walking randomly
- Random walking does not follow a set pattern or cycle, making it non-periodic. The path taken is unpredictable.
- Option D: A book lying on a table
- The book is stationary and does not exhibit any motion, periodic or otherwise.
Conclusion
In conclusion, among the given options, the Earth's rotation on its axis (Option B) is the only example of periodic motion due to its consistent and repeating nature over a defined time frame.
Periodic motion refers to any motion that repeats itself at regular intervals of time. It is characterized by a cycle, which is a complete sequence of motions that returns to the starting point.
Why Option B is Correct
- The Earth rotating on its axis is a classic example of periodic motion:
- Regular Interval: The Earth takes approximately 24 hours to complete one full rotation.
- Predictable Cycle: This rotation causes day and night, which occur in a predictable pattern.
- Repetitive Nature: Every day, the Earth returns to the same position relative to the sun, fulfilling the criteria of periodicity.
Other Options Explained
- Option A: A car stopping at a signal
- This motion is not periodic as it does not repeat at regular intervals. The timing of the stops depends on traffic signals, which can vary.
- Option C: A person walking randomly
- Random walking does not follow a set pattern or cycle, making it non-periodic. The path taken is unpredictable.
- Option D: A book lying on a table
- The book is stationary and does not exhibit any motion, periodic or otherwise.
Conclusion
In conclusion, among the given options, the Earth's rotation on its axis (Option B) is the only example of periodic motion due to its consistent and repeating nature over a defined time frame.
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Which of these motions is an example of periodic motion?a)A car stopping at a signalb)The Earth rotating on its axisc)A person walking randomlyd)A book lying on a tableCorrect answer is option 'B'. Can you explain this answer? for Class 6 2025 is part of Class 6 preparation. The Question and answers have been prepared according to the Class 6 exam syllabus. Information about Which of these motions is an example of periodic motion?a)A car stopping at a signalb)The Earth rotating on its axisc)A person walking randomlyd)A book lying on a tableCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 6 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of these motions is an example of periodic motion?a)A car stopping at a signalb)The Earth rotating on its axisc)A person walking randomlyd)A book lying on a tableCorrect answer is option 'B'. Can you explain this answer?.
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