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प्रश्न
What kind of energy is possessed by the following?
A stone kept on roof-top _______________
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उत्तर
A stone kept on a roof possesses gravitational potential energy because of its height from the ground.
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संबंधित प्रश्न
Show that the sum of kinetic energy and potential energy (i.e., total mechanical energy) is always conserved in the case of a freely falling body under gravity (with air resistance neglected) from a height h by finding it when
- The body is at the top.
- the body has fallen a distance x.
- the body has reached the ground.
State whether the object possess kinetic energy, potential energy, or both :
A ceiling fan in the off position ______________
What kind of energy is possessed by the following?
A running car ____________
What kind of energy is possessed by the following?
Water stored in the reservoir of a dam __________.
What kind of energy is possessed by the following?
A compressed spring ____________.
Name the device which converts electrical energy into mechanical energy.
Name the device or machine which convert :
Mechanical energy into electrical energy.
Name the device or machine which convert :
light energy into heat energy.
Write the energy transformations which take place in an electric bulb (or electric lamp).
A ball falls to the ground as shown below :
What is the kinetic energy of ball when it hits the ground?
