Two blocks of masses m \& 2 m are placed one over the other as shown in figure. The coefficient of friction between m and 2 m is \mu and between 2 m 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

Correct Answer is : If F=2µmg,T=µmg∕3

If F=2 \mu {mg}, T=\mu {mg} \/ 3

JEE Advanced 2020 Full Test 2 Paper 1

Question : 3 of 54

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

If F=‌
µ
3
mg,T=0
If F=µmg,T=0
If F=2µmg,T=µmg∕3
If F=3µmg,T=0

Validate

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