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प्रश्न
Mention whether work is done or not in the following activity.
| S. No | Activity | Work done or not done |
| 1. | Pushing the door | |
| 2. | Holding a doll | |
| 3. | Sitting in a bus | |
| 4. | Pushing a wall | |
| 5. | Digging soil |
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उत्तर
| S. No | Activity | Work done or not done |
| 1. | Pushing the door | Work done |
| 2. | Holding a doll | Not done |
| 3. | Sitting in a bus | Not done |
| 4. | Pushing a wall | Not done |
| 5. | Digging soil | Work done |
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संबंधित प्रश्न
Look at the activity below. Reason out whether or not work is done in the light of your understanding of the term ‘work’.
A sailboat is moving due to wind energy.
Is work a scalar or a vector quantity?
Fill in the blank with suitable word :
The work done on a body moving in a circular path is __________
A cricket ball is thrown up from the earth's surface. What happens to its P.E.
(a) during the motion
(b) at the highest point?
State the energy changes which take place when Water stored in the dam is used to turn turbine in dynamo.
A body of mass 0.5 kg travels on straight line path with velocity v = (3x2 + 4) m/s. The net work done by the force during its displacement from x = 0 tox = 2 m is ______.
