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Assertion: A spring has potential energy...

Assertion: A spring has potential energy , both when it is compressed or stretched.
Reason: In compressing or stretching, work is done on the spring against the restoring force.

A

Both A and are true and R is correct explanation of the assertion

B

Both A and R are true but R is not the correct explanation of the assertion

C

A is true, but R is false .

D

A is false, but R is true

Text Solution

Verified by Experts

The correct Answer is:
A
When spring is compressed or stretched, the work is done on the spring . Due to this work , the energy gets stored in it as elastic potential energy .
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Assertion: A spring has potential energy , both when it is compresed or stretched. Reason: In compressing or stretching, work is done on the spring against the resotoring force.

The potential energy of a spring ……………. when it is compressed .

Knowledge Check

  • The potential energy of a weight less spring compressed by a distance a is proportional to

    A
    a
    B
    `a^(2)`
    C
    `a^(-2)`
    D
    `a^(0)`

  • The potential energy of a stretched spring is proportional to

    A
    the square of force constant
    B
    the square of amount of stretch
    C
    the square of original length
    D
    none of these

  • The potential energy of a stretched spring is proportional to

    A
    the square of force constant
    B
    the square of the stretching length of the wire
    C
    the square of original length of wire
    D
    the cube of the stretch of the wire

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