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A force vecF=(3hati+4hatj)N is acting on...

A force `vecF=(3hati+4hatj)N` is acting on a point mass `m=((1)/(2))kg` at a point `A(2m,2m)`. Find the angular acceleration of the line `OA` at this instant.

A

`1rad//s^(2)`

B

`(1)/(2)rad//s^(2)`

C

`(1)/(4)rad//s^(2)`

D

`(1)/(8)rad//s^(2)`

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