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In the arrangement shown in fig m(1)=1kg...

In the arrangement shown in fig `m_(1)=1kg, m_(2)=2 kg` Pulleys are massless and string are light. For what value of M the mass `m_(1)` moves with constant velocity (neglect friction):

A

6 kg

B

4 kg

C

8 kg

D

10 kg

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The correct Answer is:
C
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ALLEN -NEWTON'S LAWS OF MOTION & FRICTION-EXERCISE (O-2)
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  13. In the given figure both the bocks have equal mass. When the thread is...

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  14. A block of mass m is placed on a smooth horizontal floor is attached t...

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  15. A block of mass m is placed on a smooth horizontal floor is attached t...

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  17. When F = 2N, the frictional force between 5 kg block and ground is

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  18. When F = 2n, the frictional force between 10 kg block 5 kg block is

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