A block A of mass M rests on a wedge B of mass 2M and inclination 
. There is sufficient friction between A and B, so that A does not slip on B. If there is no friction between B and ground, the compression in spring is
A
B
C
D
zero
Text Solution
Verified by ExpertsThe correct answer is:
D
On 
, horizontal components of 
and f are balanced (as 
is vertical). Hence, on 
also, they will be balanced.
Horizontal force 
on 
should be zero.
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