Class 9 Exam > Class 9 Questions > Which of the following can change its shape u... Start Learning for Free
Which of the following can change its shape under force?
- a)A rubber band
- b)A piece of wood
- c)A metal rod
- d)A stone
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Which of the following can change its shape under force?a)A rubber ban...
Understanding Shape Change Under Force
When evaluating which materials can change their shape under force, it's essential to consider their physical properties and behavior when subjected to stress.
Characteristics of Materials
Conclusion
Among the options provided, only the rubber band can change its shape under force and return to its original form once the force is removed. This characteristic is due to its elastic nature, which allows for significant deformation without permanent change. In contrast, the other materials mentioned have rigid structures that resist deformation and do not revert to their original shapes once the force is applied.
When evaluating which materials can change their shape under force, it's essential to consider their physical properties and behavior when subjected to stress.
Characteristics of Materials
- Rubber Band:
- Rubber bands are elastic materials, meaning they can stretch and return to their original shape when the force is removed.
- This elasticity allows them to deform significantly under tension. - Piece of Wood:
- Wood is a rigid material.
- While it can bend slightly under a significant force, it typically breaks or splinters rather than returning to its original shape. - Metal Rod:
- Metal rods are generally strong but also rigid.
- They can bend under enough force, but like wood, they are likely to remain in that deformed state or fracture if the force exceeds their yield strength. - Stone:
- Stone is an extremely rigid material.
- It does not change shape easily under force and will typically break or shatter instead.
Conclusion
Among the options provided, only the rubber band can change its shape under force and return to its original form once the force is removed. This characteristic is due to its elastic nature, which allows for significant deformation without permanent change. In contrast, the other materials mentioned have rigid structures that resist deformation and do not revert to their original shapes once the force is applied.
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Community Answer
Which of the following can change its shape under force?a)A rubber ban...
A rubber band is flexible and can change its shape when a force is applied, unlike rigid materials like wood or stone.
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Which of the following can change its shape under force?a)A rubber bandb)A piece of woodc)A metal rodd)A stoneCorrect answer is option 'A'. 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 can change its shape under force?a)A rubber bandb)A piece of woodc)A metal rodd)A stoneCorrect answer is option 'A'. 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 can change its shape under force?a)A rubber bandb)A piece of woodc)A metal rodd)A stoneCorrect answer is option 'A'. Can you explain this answer?.
Which of the following can change its shape under force?a)A rubber bandb)A piece of woodc)A metal rodd)A stoneCorrect answer is option 'A'. 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 can change its shape under force?a)A rubber bandb)A piece of woodc)A metal rodd)A stoneCorrect answer is option 'A'. 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 can change its shape under force?a)A rubber bandb)A piece of woodc)A metal rodd)A stoneCorrect answer is option 'A'. Can you explain this answer?.
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