In the figure shown find the acceleration of 2kg body and also take μs=0.5, μk=0.4[Take g=10m/s2]
A
1.5m/s2
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B
1m/s2
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C
0.5m/s2
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D
0m/s2
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Solution
The correct option is D0m/s2 FBD of both the blocks
The maximum frictional force fmax=μsN=0.5×2×10=10N Tension in the string will be T=1×g=10N As fmax=T hence the frictional force is sufficient enough to hold the system in equilibrium. So the sysem is in rest (a=0)