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The work done in moving an object from o...

The work done in moving an object from origin to a point whose position vector is `vec(r )=3hat(i)+3hat(j)-5hat(k)` by a force `vec(F)=2hat(i)-hat(j)-hat(k)` is

A

1 unit

B

9 unit

C

13 unit

D

60 unit

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The correct Answer is:
B
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