Sonia and Mahima are good friends and living in a city near equator. Sonia went to a
country located near the north pole of the earth with her parents. Her friend Mahima
requested her to bring a gold necklace as gold was cheaper in that country. Sonia
purchased the necklace weighing 20 gm wt. and handed it over to Mahima. When Mahima
got necklace weighted from local gold smith, its weight was less than 20 gm wt. Mahima
told Sonia that she was cheating her. However, Sonia explained that weight of a body at
different places are different. Sonia asked Mahima to return the necklace to her because
she was not interested to spoil her friendship with Mahima.
i) Why does weight of a body vary from place to place?
ii) How does the weight of necklace vary at equator and at poles and why?
iii) Comment on the attitude of Mahima.
iv) What values are shown by Sonia.
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Answer:
Why does weight of a body vary from place to place?
A) the gravitational force of earth is uneven so the gravitational pull of some places is higher.Though we consider the gravity as 9.8m/s
How does the weight of necklace vary at equator and at poles and why?
A)Earth is a magnet . the poles of a magnet are the areas having the highest magnetic pull and the center of a magnet has the least magnetic pull
Comment on the attitude of Mahima.
A)Mahima doesnt know even P of Physics
What values are shown by Sonia?
A) sonia Knows physics verry well
Explanation:
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Answer:
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