Block A of mass is placed over block B of mass
. The combination is placed over a rough horizontal surface. Coefficient of friction between B and the floor is 0.5 . Coefficient of friction between A and B is 0.4 . A horizontal force of
is applied on block B. The force of friction between A and B is
A
B
C
D
zero
Text Solution
Verified by ExpertsThe correct answer is:
D
:
Here,
The frictional force between block B and surface is
As applied force , the system will not move.
Hence, the force of friction between A and B is zero.
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