Properties Of Solids And Liquids Question 273

Question: A cork is submerged in water by a spring attached to the bottom of a bowl. When the bowl is kept in an elevator moving with acceleration downwards, the length of spring

Options:

A)Increases

B)Decreases

C)Remains unchanged

D)None of these

Show Answer

Answer:

Correct Answer: B

Solution:

Effective weight $ W’=m(g-a) $ which is less than actual weight mg, so the length of spring decreases.



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