Advertisements
Advertisements
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 green plant is carrying out photosynthesis.
Advertisements
उत्तर
Photosynthesis is taking place in a green plant; no work is being done here because there is no direct displacement.
APPEARS IN
संबंधित प्रश्न
When is work said to be done by a force?
What are the quantities on which the amount of work done depends? How are they related to work?
What happens to the work done when the dispacement of body is at right angles to the direction of force acting on it? Explain your answer.
A machine raises a load of 750 N through a height of 16 m in 5s. calculate:
(i) work done by machine,
(ii) power at which the machine works.
Fill in the boxe to show the corresponding energy transformation.
In the following case write yes, if the work is being done and no if no work is being done.
A boy climbing up a staircase.
