In one dimensional motion, a \( 1 \mathrm{~kg} \) object at rest ex...

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In one dimensional motion, a \( 1 \mathrm{~kg} \) object at rest experiences a force, which is a linear function of
\( \mathrm{P} \) time \( t \) given as \( F=2 t \) acting in the direction of

W motion. The work done by the force in first 4 seconds is
(1) \( 16 \mathrm{~J} \)
(2) \( 32 \mathrm{~J} \)
(3) \( 64 \mathrm{~J} \)
(4) \( 128 \mathrm{~J} \)
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