Question

Look at the activities listed below . reason out whether or not work is done in the light of your understanding of the term "work"
1) suma is swimming in the pond.
2)a donkey is carrying a load on its back.
3)a wind-mill is lifting water from the well
4)a green plant is carrying out photosynthesis .
5)an engine is pulling a train .
6)food grains are getting dried in the sun ☀ .
7)a sailboat ⛵ is moving due to wind energy ⛮ .


CLASS 9
WORK AND ⚡ ENERGY.
PG 158
QUESTION 1

Answer 1

Answer:

done

done

done

done

done

not done

done

Answer 2

Answer:

1) work is done

2) work is done

3) work is done

4) work is not done

5) work is done

6) work is not done

7) not know