Physics · 2013
JEE Main · 25 April 2013, Shift 1 · Q21
In an experiment, a small steel ball falls through a liquid at a constant speed of 10 cm/s. If the steel ball is pulled upward with a force equal to…
In an experiment, a small steel ball falls through a liquid at a constant speed of $\displaystyle 10$ cm/s. If the steel ball is pulled upward with a force equal to twice its effective weight, how fast will it move upward ?
Official answer
(3)
$\displaystyle 10$ cm/s
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JEE Main 2013 Physics question, with the answer from NTA’s final answer key. Where our answers come from.