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Physics
Find the minimum value of m so that the block (.10kg.) do not move :- <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/p-klhqoxvypeqg5fv1.jpg />
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Q. Find the minimum value of $m$ so that the block $\left(\right.10kg\left.\right)$ do not move :-
NTA Abhyas
NTA Abhyas 2020
A
$8kg$
B
$5kg$
C
$10kg$
D
$7kg$
Solution:
$N=\left(\right.10+m\left.\right)g$
$f=\mu N=\frac{1}{3}\left(\right.10+m\left.\right)g$
$6g\leq \frac{1}{3}\left(\right.10+m\left.\right)g$
$8\leq m$
$m_{min}=8kg$
