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A block A of mass 2 kg rests on another ...

A block `A` of mass `2 kg` rests on another block `B` of mass `8 kg` which rests on a horizontal floor. The coefficient of friction between `A` and `B` is `0.2` while that between `B` and floor is `0.5`.When a horizontal floor `F` of `25 N` is applied on the block `B` the force of friction between `A` and `B` is

A

zero

B

`3.9 N`

C

`5.0 N`

D

`49.0 N`

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The correct Answer is:
A
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AAKASH SERIES-APPENDICES (REVISION EXERCISE)-LAW OF MOTION
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