The system of three masses 3m m and 2m are pushed by a force F as shown in figure.All the surfaces are smooth except between B and C .Coefficient of friction between B and C is (1)/(2). Minimum value of F to prevent block B from downward slipping is
1.3mg
2.4mg
3.5mg
4.6mg
please answer this question.
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Answered by
1
Answer:
Total acceleration of the system will be,
a=
m+3m+5m
F
Tension T
1
in the string is,
24N=8m×
9m
F
F=27N
Tension T
2
in the string is,
T
2
=5m×
9m
27
=15N
Answered by
2
Explanation:
see the attachment!
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