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The cable supporting a 2100kg elevator has a maximum strength of 2.19×10^4 N.

What maximum upward acceleration can it give the elevator without breaking?

  • Physics! -

    mass = 2100 kg
    = mg
    = 2100 kg *9.8 m/s/s
    =20580 N
    =21900 N
    Reserve capacity for upwards acceleration, F
    Use F=ma to find a. It will be less than 1 m/s/s.

    I just hope this is not a real life problem.

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