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The effective spring constant of two sp...

The effective spring constant
of two spring system as shown
in figure will be :-

A

`K_(1)+K_(2)`

B

`K_(1)K_(2)//K_(1)+K_(2)`

C

`K_(1)-K_(2)`

D

`K_(1)K_(2)//K_(1)-K_(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
When - external force is applied, one
spring gets extended and another
one gets contracted by the same
distance hence force due to two
springs ast in same direction.
i.e., `F=F_(1)+F_(2)implies -kx=-k_(1)x`
`-k_(2)x`
`implies k=k_(1)+k_(2)`
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