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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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Knowledge Check

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

    A
    16,000N
    B
    18,000N
    C
    12,000N
    D
    15,000N

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

  • A boy of mass 40 kg climbs up a rope with an acceleration of 2 ms^(-2) What is the tension in the rope ?

    A
    472 N
    B
    435 N
    C
    232 N
    D
    568 N

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