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Which of the following statements is true of the value of acceleration due to gravity?
- a)The value is the same on the equator and poles
- b)The value is least on poles
- c)The value increases from the equator to the poles.
- d)The value increases from pole to equator
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Which of the following statements is true of the value of acceleration...
The value increases from the equator to the poles.The acceleration value due to gravity is least on the equator and highest at the poles.
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Which of the following statements is true of the value of acceleration...
Understanding Acceleration Due to Gravity
Acceleration due to gravity (g) varies across the surface of the Earth. The value of g is influenced by several factors, including the Earth's shape and rotation.
1. Earth's Shape and Rotation
- The Earth is not a perfect sphere; it is an oblate spheroid, meaning it is slightly flattened at the poles and bulging at the equator.
- Due to this shape, the distance from the Earth's center to the surface is greater at the equator than at the poles.
2. Gravitational Force Variation
- Gravitational force decreases with increasing distance from the center of the Earth.
- Therefore, because you are farther from the center at the equator, the force of gravity (and thus g) is slightly less there compared to the poles.
3. Centrifugal Force Influence
- The Earth's rotation causes a centrifugal force that counteracts gravity. This force is strongest at the equator due to the higher rotational speed.
- As a result, the effective acceleration due to gravity is less at the equator than at the poles.
4. Conclusion
- The value of acceleration due to gravity is indeed least at the equator and greatest at the poles.
- This leads to the conclusion that the value of g increases from the equator to the poles, making option 'C' the correct answer.
Understanding these concepts can help clarify why gravity behaves differently across the globe, providing insight into the dynamics of our planet.
Acceleration due to gravity (g) varies across the surface of the Earth. The value of g is influenced by several factors, including the Earth's shape and rotation.
1. Earth's Shape and Rotation
- The Earth is not a perfect sphere; it is an oblate spheroid, meaning it is slightly flattened at the poles and bulging at the equator.
- Due to this shape, the distance from the Earth's center to the surface is greater at the equator than at the poles.
2. Gravitational Force Variation
- Gravitational force decreases with increasing distance from the center of the Earth.
- Therefore, because you are farther from the center at the equator, the force of gravity (and thus g) is slightly less there compared to the poles.
3. Centrifugal Force Influence
- The Earth's rotation causes a centrifugal force that counteracts gravity. This force is strongest at the equator due to the higher rotational speed.
- As a result, the effective acceleration due to gravity is less at the equator than at the poles.
4. Conclusion
- The value of acceleration due to gravity is indeed least at the equator and greatest at the poles.
- This leads to the conclusion that the value of g increases from the equator to the poles, making option 'C' the correct answer.
Understanding these concepts can help clarify why gravity behaves differently across the globe, providing insight into the dynamics of our planet.
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Which of the following statements is true of the value of acceleration due to gravity?a)The value is the same on the equator and polesb)The value is least on polesc)The value increases from the equator to the poles.d)The value increases from pole to equatorCorrect answer is option 'C'. Can you explain this answer? for Class 9 2026 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about Which of the following statements is true of the value of acceleration due to gravity?a)The value is the same on the equator and polesb)The value is least on polesc)The value increases from the equator to the poles.d)The value increases from pole to equatorCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 9 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statements is true of the value of acceleration due to gravity?a)The value is the same on the equator and polesb)The value is least on polesc)The value increases from the equator to the poles.d)The value increases from pole to equatorCorrect answer is option 'C'. Can you explain this answer?.
Which of the following statements is true of the value of acceleration due to gravity?a)The value is the same on the equator and polesb)The value is least on polesc)The value increases from the equator to the poles.d)The value increases from pole to equatorCorrect answer is option 'C'. Can you explain this answer? for Class 9 2026 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about Which of the following statements is true of the value of acceleration due to gravity?a)The value is the same on the equator and polesb)The value is least on polesc)The value increases from the equator to the poles.d)The value increases from pole to equatorCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 9 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statements is true of the value of acceleration due to gravity?a)The value is the same on the equator and polesb)The value is least on polesc)The value increases from the equator to the poles.d)The value increases from pole to equatorCorrect answer is option 'C'. Can you explain this answer?.
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