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The mass of a lift is 2000 kg. When the...

The mass of a lift is 2000 kg. When the tension in the supporting cable is 28000 N, then its .acceleration is:

A

`4 ms^(-2)` upwards.

B

`4 ms^(-2)` downwards.

C

`14 ms^(- 2)` upwards.

D

`30 ms^(-2)` downwards.

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