Question

Aniket is a student of class IX. He saw an old man trying to keep his
box on the roof of a bus but was unable to do so. Aniket picked up his
box and placed the box on the roof of the bus. When the stop arrived,
Aniket handed over the box to the old man and the man started
walking carrying the box on his head.
The old man thanked Aniket.
Q8.(i) The work done by Aniket while placing the box on the roof of the bus-
(a) Positive
(b) Negative
(c) zero
(d) None of the above
1
Q8.(ii) The work done by gravity on the box when Aniket placed the box on
the roof. –
(a) Positive
(b) Negative
(c) zero
(d) None of the above
1
Q8.(iii) Work done by Aniket on the box while placing it on the roof stored in
the form of-
(a) PE
(b) KE

Answer 1

Answer:

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