A block A of mass 7 kg is placed on a frictionless table. A thread tied to it passes over a frictionless pulley and carries a body B of mass 3 kg at the other end as shown in fig.The acceleration of the system is (g = 10 m/s2)
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a
100 m/s2
b
3 m/s2
c
10 m/s2
d
30 m/s2
answer is B.
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Detailed Solution
The acceleration of the system is given bya=M2gM1+M2=3×107+3=3 m/s2.
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A block A of mass 7 kg is placed on a frictionless table. A thread tied to it passes over a frictionless pulley and carries a body B of mass 3 kg at the other end as shown in fig.The acceleration of the system is (g = 10 m/s2)