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प्रश्न
How is work related to energy?
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उत्तर
RELATION BETWEEN WORK AND ENERGY: “Energy is the capacity of doing work” Every form of energy → is work.
i.e. work done on the body is stored in the form of energy. Energy is spent when a body does work. Thus to do more amount of work-more energy is needed.
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संबंधित प्रश्न
Define 1 J of work.
Can there be displacement of an object in the absence of any force acting on it? Think. Discuss this question with your friends and teacher.
Define the term energy.
Name the physical quantity whose SI unit is Nm.
Is work done a scalar or a vector physical quantity?
State the energy changes which take place when A toy car with a wound spring moves on ground.
What is the difference between renewable and non-renewable resources?
Mention whether work is done or not in the following activity.
| S. No | Activity | Work done or not done |
| 1. | Pushing the door | |
| 2. | Holding a doll | |
| 3. | Sitting in a bus | |
| 4. | Pushing a wall | |
| 5. | Digging soil |
