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What is the angle between x-axis and a force represented by F = i^​+i^+k^?

What is the angle between x-axis and a force represented by F = i^​+i^+k^?

Grade:11

1 Answers

Arun
25758 Points
4 years ago
Dear edvin
 
for angle, we use dot product
 
(i) . (i + j + k) = 1 * sqrt (3) * cos @
 
cos @ = 1/ sqrt(3)
 
@ = cos^-1 (1/ sqrt(3))
 
 
Regards
Arun

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