Class 11 Exam > Class 11 Questions > Select the odd one outa)A stretched bowb)Comp...
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Select the odd one out
- a)A stretched bow
- b)Compressed gas
- c)Compressed or elongated spring
- d)Lifted weight
Correct answer is option 'D'. Can you explain this answer?
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Verified Answer
Select the odd one outa)A stretched bowb)Compressed gasc)Compressed or...
In A stretched bow. Compressed gas, compressed or elongated spring there is elastic potential energy but the lifted weight there is gravitational force, so the odd one here is lifted weight.
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Select the odd one outa)A stretched bowb)Compressed gasc)Compressed or...
In above 3 options their is elastic potential energy but in the 4th option that is lifted weight their is no elastic potential energy instead their is gravitational force hence it is odd one
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Community Answer
Select the odd one outa)A stretched bowb)Compressed gasc)Compressed or...
Odd one out: Lifted weight
Explanation:
When we analyze the given options, we can see that all of them involve the application of a force that leads to a change in the shape or position of an object. However, the option "Lifted weight" stands out as being different from the others. Let's examine each option in detail to understand why "Lifted weight" is the odd one out.
A) A stretched bow:
When a bowstring is drawn back, it stretches and stores potential energy. This potential energy is then released when the bowstring is released, propelling the arrow forward. The force applied to the bowstring causes it to stretch, resulting in a change in shape.
B) Compressed gas:
When a gas is compressed, its volume decreases, and the pressure exerted by the gas increases. This compression can be achieved by applying an external force on the gas, such as using a piston in a cylinder. The force applied causes the gas molecules to come closer together, resulting in a change in volume.
C) Compressed or elongated spring:
When a spring is compressed, it stores potential energy in the form of elastic potential energy. This potential energy is released when the spring is allowed to return to its original shape. Similarly, when a spring is elongated, it also stores potential energy. In both cases, applying a force to the spring causes a change in its shape.
D) Lifted weight:
Unlike the other options, lifting a weight involves a purely vertical force without causing any change in shape or position of the weight itself. When a weight is lifted, it experiences a gravitational force in the opposite direction. This force only acts vertically and does not cause any deformation or change in shape of the weight.
Therefore, the odd one out is "D) Lifted weight" as it does not involve any change in shape or position of the object, unlike the other options.
Explanation:
When we analyze the given options, we can see that all of them involve the application of a force that leads to a change in the shape or position of an object. However, the option "Lifted weight" stands out as being different from the others. Let's examine each option in detail to understand why "Lifted weight" is the odd one out.
A) A stretched bow:
When a bowstring is drawn back, it stretches and stores potential energy. This potential energy is then released when the bowstring is released, propelling the arrow forward. The force applied to the bowstring causes it to stretch, resulting in a change in shape.
B) Compressed gas:
When a gas is compressed, its volume decreases, and the pressure exerted by the gas increases. This compression can be achieved by applying an external force on the gas, such as using a piston in a cylinder. The force applied causes the gas molecules to come closer together, resulting in a change in volume.
C) Compressed or elongated spring:
When a spring is compressed, it stores potential energy in the form of elastic potential energy. This potential energy is released when the spring is allowed to return to its original shape. Similarly, when a spring is elongated, it also stores potential energy. In both cases, applying a force to the spring causes a change in its shape.
D) Lifted weight:
Unlike the other options, lifting a weight involves a purely vertical force without causing any change in shape or position of the weight itself. When a weight is lifted, it experiences a gravitational force in the opposite direction. This force only acts vertically and does not cause any deformation or change in shape of the weight.
Therefore, the odd one out is "D) Lifted weight" as it does not involve any change in shape or position of the object, unlike the other options.
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Select the odd one outa)A stretched bowb)Compressed gasc)Compressed or elongated springd)Lifted weightCorrect answer is option 'D'. Can you explain this answer?
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