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प्रश्न
Name the device or machine which convert :
Heat energy into kinetic energy (or mechanical energy).
उत्तर
A steam engine converts heat energy into mechanical energy.
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संबंधित प्रश्न
What kind of energy is possessed by the following?
A stone kept on roof-top _______________
What is the difference between potential energy and kinetic energy?
Water stored in a dam possesses :
Name the device or machine which convert :
light energy into heat energy.
What kind of energy transformation take place at a hydroelectric power station?
What kind of energy transformations take place at a coal-based thermal power station?
What do you understand by the term 'transformation of energy"? Explain with an example.
Explain the transformation of energy in the following cases :
(i) A ball thrown upwards.
(ii) A stone dropped from the roof of a building.
A ball falls to the ground as shown below :
What is the potential energy of ball at B?
In the case of negative work, the angle between the force and displacement is
