Two blocks, each of mass 3.0 kg are connected by a light cord and placed on a rough horizontal force surfaces when a horizontal force of 20 Newton is applied on a block an acceleration of 0.50 m/s2 is produced in each block. Find the tension in the string and the frictional force which is same on the two block
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Taking whole as a system-
20−2f=6×a
a=0.5m/s
2
2f=20−6×0.5
f=
2
17
=8.5N → friction force on each block
On block B:-
T−F=3×a
T=3×0.5+F
1.5+8.5
T=10N
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