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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
How much energy is gained by a box of mass 20 kg when a man, carrying the box waits for 5 minutes for a bus?
A man carrying a suitcase in his hand is walking horizontally. What is the work done against gravity?
Distinguish between work and power.
Complete the following sentences:
The SI unit of work is ....... and of power is .......
Name the material commonly used for the manufacturing of solar cells.
A force can cause an object to change its ______.
A uniform chain of length 2 m is kept on a table such that a length of 60 cm hangs freely from the edge of the table. The total mass of the chain is 4 kg. What is the work done in pulling the entire chain on the table?
