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A body of mass 4 kg experiences two forces 1 F → = 5 ˆ i + 8 ˆ j + 7 ˆ k and 2 F → = 3 ˆ i – 4 ˆ j – 3 ˆ k . The acceleration acting on the body is :

1. –2 ˆ i – ˆ j – ˆ k
2. 2 ˆ i + ˆ j + ˆ k
3. 4 ˆ i + 2 ˆ j + 2 ˆ k
4. 2 ˆ i + 3 ˆ j + 3 ˆ k

Correct answer: 2 ˆ i + ˆ j + ˆ k

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