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प्रश्न
What is the SI unit of work?
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उत्तर
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.
A max X goes to the top of a building by a vertical spiral staircase. Another man Y of the same mass goes to the top of the same building by a slanting ladder. Which of the two does more work against gravity and why?
Give two examples of couple actions in our daily life.
State the conditions of equilibrium for a rigid body.
A uniform circular motion is an accelerated motion. Justify it.
Fill in the boxe to show the corresponding energy transformation.
One labourer carried four pans of road metal through a distance of 100 metres. If he carries two pans of road metal through a 200 metre distance ______ work will be done.
