A 4 kg block 
is placed on the top of 8 kg block 
which rests on a smooth table.
A just slips on 
when a force of 12 N is applied on 
. Then, the maximum horizontal force 
applied on 
to make both 
and 
move together, is
Text Solution
Verified by ExpertsThe correct answer is:
B
When force is applied on 
, acceleration produced will be
…(i)
When force is applied on 
, acceleration produced will be
…(ii)
On dividing Eq. (ii) by Eq. (i), we get
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