The force acting on an object varies with the distance travelled by...

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The force acting on an object varies with the distance travelled by the object as shown in Fig. Work done by the force in moving the object from \( \mathrm{x}=2 \mathrm{~m} \) to \( \mathrm{x}=4 \mathrm{~m} \) is?
A \( 4 \mathrm{~J} \)
B. \( 6 \mathrm{~J} \)
C. \( 8 \mathrm{~J} \)
D. \( 2 \mathrm{~J} \)
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