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प्रश्न
Name the type of energy possessed by a
(i) stretched catapult (ii) hot iron
(iii) wound up clock
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उत्तर
(i) Potential energy
(ii) Heat energy
(iii) Potential energy
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संबंधित प्रश्न
Write the expression for work done by a force.
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Give two examples of couple action in our daily life.
What is the SI unit of work?
A girl of mass 50 kg runs up a flight of 40 steps in 20 seconds. If each step in 20 cm high, calculate the power developed by the girl. (g= 10 ms-2).
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(displacement, work, force)
Write the two main conditions are needed for work to be done?
