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Two blocks of masses m(1) and m(2) are p...

Two blocks of masses `m_(1)` and `m_(2)` are placed in contact with each other on a horizontal platform. The coefficient of friction between the platform and the two blocks is the same. The platform moves with an acceleration. The force of interaction between the blocks is `:`

A

zero in all cases

B

zero only if `m_(1) = m_(2)`

C

nonzero only if `m_(1) gt m_(2)`

D

nonzero only if `m_(1) lt m_(2)`

Text Solution

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The correct Answer is:
A
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