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प्रश्न
Name the forms of energy which a wound-up watch spring possesses.
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उत्तर
Elastic potential energy is possessed by wound up watch spring
संबंधित प्रश्न
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.
If an electric bulb of 100 watt is lighted for 2 hours, how much electric energy would be consumed?
List any six forms of energy and write a short note on each of them.
State the energy changes which take place when A piece of magnesium wire is burnt in a jar of oxygen.
State the energy changes which take place when A toy car with a wound spring moves on ground.
Is power a scalar or a vector quantity?
The weights of two bodies are 2.0 N and 2.0 kgf respectively what is the mass of each body?
What is power? How do you differentiate kilowatt from kilowatt-hour? The Jog Falls in Karnataka state are nearly 20 m high. 2000 tonnes of waterfalls from it in a minute. Calculate the equivalent power if all this energy can be utilized? (g = 10 m s–2)
