16.TWO VECTOR F1=3i+4j and F²=3j+4k are acting simultaneously bat a point. what is the magnitude of the resultant of the force.
(a) √74units (b) √24units (c) √63units (d) none of the obove
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Answer:
- equation for finding magnitude
|R|= √ A²+B²+2ABcos
Explanation:
√74
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