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प्रश्न
The S.I. unit of energy is .............
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उत्तर
The S.I. unit of energy is joule.
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संबंधित प्रश्न
In each of the following a force, F is acting on an object of mass, m. The direction of displacement is from west to east, as shown by the longer arrow. Observe the diagrams carefully and state whether the work done by the force is negative, positive or zero.
What is the condition for a force to do work on a body?
What is the relationship between Nm and dyne cm?
A uniform circular motion is an accelerated motion. Justify it.
A boy does work when he pushes against a brick wall. (yes/no).
A man carrying a suitcase in his hand is walking horizontally. What is the work done against gravity?
A man climbs a slope and another walks same distance on level road. Which of the two expends more energy and why?
