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Two forces one of 12N and another of 24N act on abody in such a wey that the make an angel of 90° with each other find the resultant of the two forces

Nathanael Man , 3 Years ago
Grade 9
anser 1 Answers
yogesh manivannan

Last Activity: 3 Years ago

Resultant of two vectors r=[a2+ b2+ 2abcostheta]1/2
where a,b: magnitude of vectors , theta: angle between the vectors
Here , resultant r=[122 + 242 + 2(12)(24)cos90 ]½
                               = (144+576+0)1/2
                               = 7201/2
                                     
=26.833
Ans = 26.833    
 

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