Velocity time graph of a particle is shown in the diagram. Choose t...

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Velocity time graph of a particle is shown in the diagram. Choose the INCORRECT option.
\( \mathrm{P} \)
(1) Work done by net force for part AB is positive.
(2) Work done by net force for part BC is zero.
(3) Work done by net force for part \( \mathrm{DE} \) is negative.
(4) Work done by net force for part CD is negative
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