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9 votes
Help with this please in the image

Help with this please in the image-example-1

1 Answer

10 votes

The two forces for a 90 degree angle.


Use the Pythagorean theorem:


sqrt(8^2 + 8^2) = sqrt(64 + 64) = sqrt(128)

= 11.31


Answer: C. 11 N

User Chris Gummer
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