Class 4 Exam > Class 4 Questions > Energy can be defined asa)the capacity to do ...
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Energy can be defined as
- a)the capacity to do work.
- b)work done in unit time.
- c)a push or a pull.
- d)attraction between two oppositely charged particles.
Correct answer is option 'A'. Can you explain this answer?
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Energy can be defined asa)the capacity to do work.b)work done in unit ...
Energy can be defined as the capacity to do work.
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Energy can be defined asa)the capacity to do work.b)work done in unit ...
Definition of Energy:
Energy can be defined as the capacity to do work. It is a fundamental concept in physics that is used to describe the ability of a system to perform actions or work.
Explanation:
- Capacity to do work: Energy is the ability to do work. Work is done when a force is applied to an object and it moves in the direction of the force. Energy enables this work to be done.
- Forms of energy: Energy can exist in various forms such as kinetic energy (energy of motion), potential energy (stored energy), thermal energy (heat energy), chemical energy (energy stored in chemical bonds), and more.
- Conversion of energy: Energy can also be converted from one form to another. For example, potential energy can be converted into kinetic energy and vice versa.
- Law of Conservation of Energy: According to this law, energy can neither be created nor destroyed, it can only be transformed from one form to another.
- Importance of energy: Energy is crucial for all processes in the universe. It powers our everyday activities, fuels machines, and drives technological advancements.
In conclusion, energy is the capacity to do work, and understanding this concept is essential for comprehending the workings of the physical world.
Energy can be defined as the capacity to do work. It is a fundamental concept in physics that is used to describe the ability of a system to perform actions or work.
Explanation:
- Capacity to do work: Energy is the ability to do work. Work is done when a force is applied to an object and it moves in the direction of the force. Energy enables this work to be done.
- Forms of energy: Energy can exist in various forms such as kinetic energy (energy of motion), potential energy (stored energy), thermal energy (heat energy), chemical energy (energy stored in chemical bonds), and more.
- Conversion of energy: Energy can also be converted from one form to another. For example, potential energy can be converted into kinetic energy and vice versa.
- Law of Conservation of Energy: According to this law, energy can neither be created nor destroyed, it can only be transformed from one form to another.
- Importance of energy: Energy is crucial for all processes in the universe. It powers our everyday activities, fuels machines, and drives technological advancements.
In conclusion, energy is the capacity to do work, and understanding this concept is essential for comprehending the workings of the physical world.
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Energy can be defined asa)the capacity to do work.b)work done in unit time.c)a push or a pull.d)attraction between two oppositely charged particles.Correct answer is option 'A'. Can you explain this answer?
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