Two closely coiled helical springs with stiffness k‚Äö√á√Ö and k‚Äö√á√á respectively are connected in series. The stiffness of an equivalent spring is given by#

Question

TuteeHUB · Accepted Answer

(k‚Äö√á√Ö - k‚Äö√á√á)/ (k‚Äö√á√Ö + k‚Äö√á√á)

TuteeHUB · Answer

(k‚Äö√á√Ö k‚Äö√á√á)/ (k‚Äö√á√Ö + k‚Äö√á√á)

TuteeHUB · Answer

(k‚Äö√á√Ö + k‚Äö√á√á)/ (k‚Äö√á√Ö k‚Äö√á√á)

TuteeHUB · Answer

(k‚Äö√á√Ö - k‚Äö√á√á)/ (k‚Äö√á√Ö k‚Äö√á√á)

1.	Two closely coiled helical springs with stiffness k‚Äö√á√Ö and k‚Äö√á√á respectively are connected in series. The stiffness of an equivalent spring is given by#
A.	(k‚Äö√á√Ö k‚Äö√á√á)/ (k‚Äö√á√Ö + k‚Äö√á√á)
B.	(k‚Äö√á√Ö - k‚Äö√á√á)/ (k‚Äö√á√Ö + k‚Äö√á√á)
C.	(k‚Äö√á√Ö + k‚Äö√á√á)/ (k‚Äö√á√Ö k‚Äö√á√á)
D.	(k‚Äö√á√Ö - k‚Äö√á√á)/ (k‚Äö√á√Ö k‚Äö√á√á)
Answer» B. (k‚Äö√á√Ö - k‚Äö√á√á)/ (k‚Äö√á√Ö + k‚Äö√á√á)

Two closely coiled helical springs with stiffness k‚Äö√á√Ö and k‚Äö√á√á respectively are connected in series. The stiffness of an equivalent spring is given by#

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