A high-speed lifting mechanism supports a 710 kg object with a steel cable 20.0 m long...

A high-speed lifting mechanism supports a 710 kg object with a steel cable 20.0 m long and 4.00 cm² in cross-sectional area.

(a) Determine the elongation of the cable.
_____ mm
(b) By what additional amount does the cable increase in length if the object is accelerated upward at a rate of 2.6 m/s²?
_____ mm
(c) What is the greatest mass that can be accelerated upward at 2.6 m/s² if the stress in the cable is not to exceed the elastic limit of the cable, 2.2 ✕ 10⁸ Pa?
______ kg

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genius_generous answered 1 year ago

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