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Two blocks are connected by a spring of ...

Two blocks are connected by a spring of natural length 2m.The force constant of spring is `200N//m` .Find spring force in following siturations.

If block 'A' and 'B' both are displayed by 0.5m in same direction.

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Since both blocks are displaced by 0.5m in same direction, so change in length of spring is zero. Hence, spring force is zero.
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