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A body of mass "4kg" experiences two for...

A body of mass "4kg" experiences two forces `vec F_(1)=5 hat i+8 hat j+7 hat k` and `vec F_(2)=3 hat i-4 hat j-3 hat k` .The acceleration acting on the body is :

A

`-2 hat i-hat j-hat k`

B

`2 hat i+3 hat j+3 hat k`

C

`2 hat i+hat j+hat k`

D

`4 hat i+2 hat j+2 hat k`

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