[고2] 2025년 9월 모의고사 37번 - 지문 구성, 그림 설명, 원문 비교

[고2] 2025 09월 – 37번: 마찰력(friction)이 못을 제자리에 고정시키는 역할

 

Once a nail is hammered in, it is friction that holds it in place. Friction is the force that arises when two surfaces are sliding, or trying to slide, against each other. If you try to pull apart two blocks of wood that have been nailed together, the wood fibers grip the shaft of the nail. The nail feels a force trying to rip it apart along its length, and we call that force tension. Your experiment can now fail in one of two ways ─ either the nail stretches and splits in half because the tension force is too large for the nail, or the nail comes loose because the friction force is overcome. The force it would take to stretch the nail is much larger than the friction forces on the surface, so we don't have to worry too much about the former. It's the friction with which we need to concern ourselves.

 

 

 

[지문 구조 분석]

	내용	문제 지문
주장	못이 박힌 뒤 고정되는 이유는 마찰력 때문이다	Once a nail is hammered in, it is friction that holds it in place.
정의	마찰은 두 표면이 서로 미끄러지거나 미끄러지려 할 때 발생하는 힘이다	Friction is the force that arises when two surfaces are sliding, or trying to slide, against each other.
설명	못이 박힌 나무를 떼어내려 하면 나무 섬유가 못의 축을 붙잡아 당기며, 못에는 장력이라는 힘이 작용한다	If you try to pull apart two blocks of wood that have been nailed together, the wood fibers grip the shaft of the nail. The nail feels a force trying to rip it apart along its length, and we call that force tension.
가능 결과	실험은 두 가지로 실패할 수 있는데, 장력이 너무 커 못이 찢어지거나 마찰력이 극복되어 못이 빠지는 경우이다	Your experiment can now fail in one of two ways ─ either the nail stretches and splits in half because the tension force is too large for the nail, or the nail comes loose because the friction force is overcome.
결론	장력을 이길 힘은 매우 크므로 주로 문제는 마찰력에 달려 있다	The force it would take to stretch the nail is much larger than the friction forces on the surface, so we don't have to worry too much about the former. It's the friction with which we need to concern ourselves.

 

 

[이미지]

 

 

[원문 비교]

	문제 지문	원문 지문
1	Once a nail is hammered in, it is friction that holds it in place.	Once that nail is hammered in, it is friction that holds it in place.
2	Friction is the force that arises when two surfaces are sliding, or trying to slide, against each other.	Friction is the force that arises when two surfaces are sliding, or trying to slide, against each other.
3	If you try to pull apart two blocks of wood that have been nailed together, the wood fibers grip the shaft of the nail.	If you try to pull apart two blocks of wood that have been nailed together, the wood fibers grip the shaft of the nail.
4	The nail feels a force trying to rip it apart along its length, and we call that force tension.	The nail feels a force trying to rip it apart along its length, and we call that force tension.
5	Your experiment can now fail in one of two ways ─ either the nail stretches and splits in half because the tension force is too large for the nail, or the nail comes loose because the friction force is overcome.	Your experiment can now fail in one of two ways—either the nail stretches and splits in half because the tension force is too large for the nail, or the nail comes loose because the friction force is overcome.
6	The force it would take to stretch the nail is much larger than the friction forces on the surface, so we don't have to worry too much about the former.	The force it would take to stretch the nail is much larger than the friction forces on the surface, so we don’t have to worry too much about the former.
7	It's the friction with which we need to concern ourselves.	It’s the friction with which we need to concern ourselves.

 

 

 

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