Class 9 Exam > Class 9 Questions > Identify the incorrect statement.a)The spring...
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Identify the incorrect statement.
- a)The spring force always pushes a body.
- b)The tension of a string always pulls a body.
- c)Frictional force always acts parallel to the surface of contact.
- d)The weight of a body always acts towards the centre of the Earth.
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
Identify the incorrect statement.a)The spring force always pushes a bo...
The spring force is the force exerted by a compressed or stretched spring upon any object that is attached to it. An object that compresses or stretches a spring is always acted upon by a force that restores the object to its rest or equilibrium position. So, the spring force does not always pushes a body.
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Identify the incorrect statement.a)The spring force always pushes a bo...
Incorrect Statement:
The incorrect statement is option 'A': The spring force always pushes a body.
Explanation:
A spring force is a force exerted by a compressed or stretched spring. It is a type of contact force that acts along the direction of the displacement of the spring. However, it is not accurate to say that the spring force always pushes a body. The direction of the spring force depends on whether the spring is compressed or stretched.
Spring Force:
When a spring is compressed or stretched, it exerts a force in the opposite direction to the displacement. This force is called the spring force. It follows Hooke's Law, which states that the force exerted by a spring is directly proportional to the displacement from its equilibrium position.
Compressed Spring:
When a spring is compressed, it is pushed together, and the displacement is inwards. In this case, the spring force acts in the outward direction, away from the compression. It pushes the body or object that is compressing the spring.
Stretched Spring:
When a spring is stretched, it is pulled apart, and the displacement is outwards. In this case, the spring force acts in the inward direction, towards the stretch. It pulls the body or object that is stretching the spring.
Conclusion:
In summary, the spring force can either push or pull a body depending on whether the spring is compressed or stretched. Therefore, statement A is incorrect because the spring force does not always push a body.
The incorrect statement is option 'A': The spring force always pushes a body.
Explanation:
A spring force is a force exerted by a compressed or stretched spring. It is a type of contact force that acts along the direction of the displacement of the spring. However, it is not accurate to say that the spring force always pushes a body. The direction of the spring force depends on whether the spring is compressed or stretched.
Spring Force:
When a spring is compressed or stretched, it exerts a force in the opposite direction to the displacement. This force is called the spring force. It follows Hooke's Law, which states that the force exerted by a spring is directly proportional to the displacement from its equilibrium position.
Compressed Spring:
When a spring is compressed, it is pushed together, and the displacement is inwards. In this case, the spring force acts in the outward direction, away from the compression. It pushes the body or object that is compressing the spring.
Stretched Spring:
When a spring is stretched, it is pulled apart, and the displacement is outwards. In this case, the spring force acts in the inward direction, towards the stretch. It pulls the body or object that is stretching the spring.
Conclusion:
In summary, the spring force can either push or pull a body depending on whether the spring is compressed or stretched. Therefore, statement A is incorrect because the spring force does not always push a body.
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Identify the incorrect statement.a)The spring force always pushes a body.b)The tension of a string always pulls a body.c)Frictional force always acts parallel to the surface of contact.d)The weight of a body always acts towards the centre of the Earth.Correct answer is option 'A'. Can you explain this answer?
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