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In the sitution shown in figure there i...

In the sitution shown in figure there is no friction between `2 kg` and ground.

a. For what maximum value of force `F` can all three blocks move together?
b. Find the value of force `F` at which sliding starts at other rough surfaces.
c. Find acceleration of all blocks, nature and value of friction force for the following values of force `F` (i) `10N` (ii) `N` and (iii) `25 N`

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