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प्रश्न
Select the correct alternatives
The correct statement is
विकल्प
Both work and energy have the same units
Potential energy of a body is due to its motion
Kinetic energy of a body is due to its position or state
Kinetic energy can change into potential energy, but potential energy cannot change into kinetic energy.
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उत्तर
Both work and energy have the same units
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संबंधित प्रश्न
Fill in the blank
An electric fan converts electrical energy into ______ energy.
Fill in the blank
The ability to do work is called ______
Match the following columns
| COLUMN A | COLUMN B |
| 1. Running water | 1. heat energy |
| 2. Burning | 2. vibrations |
| 3.Energy | 3.atom bomb |
| 4.Sound energy | 4.kinetic energy |
| 5.Nuclear energy | 5.joule |
State the unit of energy and define it.
State two factors on which the potential energy of a body at a certain height above the ground depends.
Give a reason for the following.
The efficiency of a machine is always less than 100%.
Name the commercial unit of measurement of energy.
Define the term 'watt'.
Running water possesses ______.
What energy transfer happen in a car engine?
