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The work done by the forces vecF = 2hati...

The work done by the forces `vecF = 2hati - hatj -hatk` in moving an object along the vectors `3hati + 2hatj - 5hatk` is:

A

`-9` units

B

15 units

C

9 units

D

None of these

Text Solution

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The correct Answer is:
C
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