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Standard XII

Physics

Springs

Two springs P...

Question

Two springs P and Q having stiffness constants $k_{1}$ and $k_{2} (< k_{1})$ , respectively are streched equally. Then

More work is done on Q

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More work is done on P

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Their force constants will become equal

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Equal work is done on both the springs

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Solution

The correct option is B More work is done on P
Work done $= \frac{1}{2} k x^{2}$
$k_{1} > k_{2}$
$∴ W k_{1} > W k_{2} .$
Hence, the answer is more work is done on P.

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Similar questions

Two springs A and B have force constants $k_{1}$ and $k_{2}$ respectively. The ratio of work done on A to that done on B when they are stretched by the same force is

Q. Two springs have their force constants as

K_{1}

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K_{1}

K_{1}

). The work done when both are stretched by same amount of length will be :

Q. If two springs

S_{1}

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Statement-1: If stretched to the same extension, work done on

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Statement-2:

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Choose the correct option.

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Two springs P and Q having stiffness constants k1 and k2(<k1), respectively are streched equally. Then

The correct option is B More work is done on PWork done =12kx2k1>k2∴Wk1>Wk2.Hence, the answer is more work is done on P.

Two springs P and Q having stiffness constants $k_{1}$ and $k_{2} (< k_{1})$ , respectively are streched equally. Then

The correct option is B More work is done on P
Work done $= \frac{1}{2} k x^{2}$
$k_{1} > k_{2}$
$∴ W k_{1} > W k_{2} .$
Hence, the answer is more work is done on P.