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A body is at rest under the action of th...

A body is at rest under the action of three forces, two of which are `vec(F)_(1)= 4hat(i), vec(F)_(2)= 6hat(j)`, the third force is

A

`4hati+6hatj`

B

`4hati-6hatj`

C

`-4hati+6hatj`

D

`-4hati-6hatj`

Text Solution

Verified by Experts

The correct Answer is:
D
`F_1+F_2+F_3=0implies4hati+6hatj+F_3=0`
`vecF_3=-4hati-6hatj`
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