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Class 11PhysicsNewton's Laws of Motion and FrictionSpring Force
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Two massless springs of spring constant $K_1$ and $K_2$ are connected in series,suspended vertically,and a certain mass is attached to the free end. If $e_1$ and $e_2$ are their respective extensions and $f$ is the stretching force,the total extension produced is:

MHT CET 2022All MHT CET
  • A
    $f(K_1 - K_2)$
  • B
    $f(\frac{1}{K_1} - \frac{1}{K_2})$
  • C
    $f(K_1 + K_2)$
  • D
    $f(\frac{1}{K_1} + \frac{1}{K_2})$
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Class 11 Questions

Class 11

Physics Questions

Chapter

Newton's Laws of Motion and Friction

Subtopic

Spring Force

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