What is the angle between x-axis and a force represented by F = i^+i^+k^?
edvin joseph , 6 Years ago
Grade 11
Vectors> What is the angle between x-axis and a fo...
1 Answers
Arun
Last Activity: 6 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
Arun
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