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प्रश्न
State the S.I. unit of work and define it.
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उत्तर
S.I. unit of work is Joule
Joule “Is that much work done when a force of IN displaces the body through a distance of lm in the direction of the force.”
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संबंधित प्रश्न
Define work.
Fill in the blank with suitable word :
The work done on a body moving in a circular path is __________
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How much work is done by the gravitational force of earth acting on a satellite moving around it in a circular path? Give reason for your answer.
Name the type of energy possessed by a
(i) stretched catapult (ii) hot iron
(iii) wound up clock
A 100 W electric lamp emits energy in the form of light at the rate 10 J per second. What percentage of electric energy does the lamp transform into light energy?
A boy pulls a box up to 10 m with a force of 5 kgf. Calculate the work done by him.
How fast should a boy weighting 30 kg run so that his kinetic energy is 375 joule?
What is the difference between renewable and non-renewable resources?
