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PhysicsSHMOscillations and SHMMedium2 min

PhysicsMediumsingle choice

If a spring of stiffness $k$ is cut into two parts $A$ and $B$ of length ratio $l_{A} : l_{B} = 2 : 3$ , then the stiffness of spring $A$ is:

Answer:

Solution:

Stiffness is inversely proportional to length. $A$ is $\frac{2}{5}$ of the whole length, so $k_{A} = \frac{5}{2} k$ .

Subject:PhysicsTopic:SHMSubtopic:Oscillations and SHM

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