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JEE Main 2006

Exam: JEE Main
Year: 2006
Subject: Physics
Chapter: Mechanical Properties of Solids

JEE Main 2006 · Physics · Mechanical Properties of Solids

A wire elongates by mm when a load W is hanged from it. If the wire...

A wire elongates by

\ell \mathrm{mm}

when a load

\mathrm{W}

is hanged from it. If the wire goes over a pulley and two weights

\mathrm{W}

each are hung at the two ends, the elongation of the wire will be (in

\mathrm{mm}

)

Options

A $\ell / 2$
B $\ell$
C $2 \ell$
Dzero

Correct answer

B. $\ell$

Step-by-step solution

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