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When an empty lift is moving down with a...

When an empty lift is moving down with an acceleration of `g/4 ms^(-2)` the tension in the cable is 9000N. When the lift is moving up with an acceleration of `g/3 ms^(-2)` the tension in the cable is

A

16,000 N

B

18,000 N

C

12,000 N

D

15,000 N

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The correct Answer is:
A
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AAKASH SERIES-LAWS OF MOTION-EXERCISE - II
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  2. A 60kg man is inside a lift which is moving up with an acceleration of...

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  3. When an empty lift is moving down with an acceleration of g/4 ms^(-2) ...

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  5. How can you lower a 100 kg body from the roof of a house using a cord ...

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  7. A boy of mass 40 kg climbs up a rope with an acceleration of 2 ms^(-2)...

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  8. Two bodies of masses 1 kg and 2 kg are connected by a very light strin...

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  12. A particle of small m is joined to a very heavy body by a light string...

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  13. A small ball is suspended by a string from the ceiling of a car. As th...

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  14. A pendulum of mass m hangs from a support fixed to a trolley. The dire...

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  16. A wooden block of 100 kg is about to be pushed on a floor of coefficie...

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  18. A block of mass 5kg is lying on a rough horizontal surface. The coeffi...

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