The cable of a hoist has a cross-sectional area of 80 mm 2 . The hoist is
Question:
The cable of a hoist has a cross-sectional area of 80 mm2. The hoist is used to lift a crate weighing 500 kg. The free length of the cable is 30 m. Assume all deformation is elastic.
(a) What is the stress on the cable?
(b) How much will the cable extend if it is made from steel (E = 200 GPa)?
(c) How much will the cable extend if it is made from polypropylene (E = 1.2 GPa)?
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a Using Hookes law Tension G sin and stress Tension ...View the full answer
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Related Book For 
The Science And Engineering Of Materials
ISBN: 9781305076761
7th Edition
Authors: Donald R. Askeland, Wendelin J. Wright
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