18. If a close coiled helical spring absorbs 30 Nmm Hoof energy while extending by 5mm, its stiffness will be ..... (b) 4 N/mm (a) 2 N/mm sqa-bun tin br (c) 6 N/mm (d) and boxit 107 10 N/mm

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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18. If a close coiled helical spring absorbs 30 Nmm
[S-toof energy while extending by 5mm, its stiffness
will be
(b) 4 N/mm
(a) 2 N/mm
sqa-bun ann and
(c) 6 N/mm
(d)
red boxit
10 N/mm
q
Transcribed Image Text:18. If a close coiled helical spring absorbs 30 Nmm [S-toof energy while extending by 5mm, its stiffness will be (b) 4 N/mm (a) 2 N/mm sqa-bun ann and (c) 6 N/mm (d) red boxit 10 N/mm q
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