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Two blocks of masses m and 2 m are place...

Two blocks of masses m and 2 m are placed one over the other as shown in figure.The coefficient of friction between m and 2m is `mu` and between 2m and ground is `(mu)/(3)`. If a horizontal force F is applied on upper block and T is tension developed in string, then choose the incorrect alternative.

A

If `F=(mu)/(2)mg,T=0`

B

If `F=mumg, T=0`

C

If `F=2mumg, T=(mumg)/(3)`

D

If `F=3mumg, T=0`

Text Solution

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The correct Answer is:
C
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