A) \[1\times {{10}^{-3}}N\]
B) \[2\times {{10}^{-3}}N\]
C) \[4\times {{10}^{-3}}N\]
D) \[5\times {{10}^{-3}}N\]
Correct Answer: A
Solution :
\[F=ma=20\times 5=100\,\,dynes\] \[\therefore \]\[F=100\times {{10}^{-5}}N=1\times {{10}^{-3}}N\]You need to login to perform this action.
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