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प्रश्न
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उत्तर
P.E = mgh = 1 x 10 x 1 = 10J
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संबंधित प्रश्न
Power spent by a body depends on the time for which it does work.
Write the expression for work done by a force.
Give reasons for the following A teacher moving around in the class is doing work but a child standing and reading a book is not doing any work.
Fill in the blank with suitable word :
1 joule is the work done when a force of 1 __________ moves an object through a distance of one __________ in the direction of __________.
What is the ratio of SI units to CGS units of 'work'?
Complete the following sentences:
Joule is the unit of .......
List any six forms of energy and write a short note on each of them.
What do you understand by ‘potential energy’? Give three examples to illustrate your answer.
Give an example
Light energy changes to electrical energy.
