Question

Three forces are given . F1=6i^ N, F2=9j^ N, F3= -3i^ + 4j^ N . Find the force F that must be added to these forces to make resultant force zero
1) -3i^-13j^
2)3i^-13j^
3)i^-j^
4)None

Please give step by step answer.​

Answer 1

Answer:

the answer is option 1

Explanation:

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