IV. Write WORK IS DONE or NO WORK IS DONE on the following situations
41. The ball is in the top of the table
42. The boy is sitting at his armchair
43. The boxer is pushing the car but not moving.
44. The mango is hanging in the branch
45. The nurse is standing in the elevator
46. The teacher hold the book for some time
47. A table in on floor at the same place for days
48. A ball goes up and comes down in the same location.
49. A dog in chained sleeping for many hours
50. A person holds a bundle of hay over his head for 30 minutes and gets tired
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Answer:
41. Work is done
42. No work is done
43. No work is done
44. Work is done
45. Work is done
46. Work is done
47. No work is done
48. Work is done
49. Work is done
50. Work is done