if f1=2i+3j -k, f2=-5i +j+3k, f3 =i-2j+4k then find resultant force
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Resultant force = F1 + F2 + F3
= 2i + 3j - k - 5i + j + 3k + i - 2j + 4k
= -2i + 2j + 6k
Magnitude of resultant force = √(2^2 + 2^2 + 6^2) = √(44) = 2√11
= 2i + 3j - k - 5i + j + 3k + i - 2j + 4k
= -2i + 2j + 6k
Magnitude of resultant force = √(2^2 + 2^2 + 6^2) = √(44) = 2√11
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