An elevator cable is to have a maximum stress of `7 xx 10^(7) Nm^(-2)` to allow for
Channel: Doubtnut
Date: 2020-05-24

An elevator cable is to have a maximum stress of `7 xx 10^(7) Nm^(-2)` to allow for appropriate safety factors. Its maximum upward acceleration is `1.5 ms^(-2)`. If the cable has to support the total weight of 2000 kg of a loaded elevator, the area cross-section of the cable should be