In figure the coefficient of friction between the floor and the body B is 0.1. The coefficient of friction between the bodies B and A is 0.2. A force F is applied as shown on B, The mass of A is 
and of B is m. Which of the following statements are true?
Text Solution
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(a, b, d,)
Consider the diagram. Frictional force on 
and frictional force on 
will be as shown.’
Let 
and 
are moving together
For 
The force (F) will be maximum when,
Hence, maximum force upto which bodies will move together is 
1. Hence, for 
, bodies will move together.
2. For 
, body A will slip with respect to B.
3. 
Hence, minimum force required for movement of the system ( 
). F must overcome ( 
)max. Thus,
4. Given, force 
Hence, the bodies will be at rest.
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