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A force vecF=alphahati+3hatj+6hatk is ac...

A force `vecF=alphahati+3hatj+6hatk` is acting at a point `vecr=2hati-6hatj-12hatk`. The value of `alpha` for which angular momentum about origin is conserved is:

A

0

B

1

C

`-1`

D

2

Text Solution

Verified by Experts

The correct Answer is:
C
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