Asked by Claire
I have a question about a vector addition problem using the polygon method.
Vector 1 has a magnitude of .1 and theta of 30 degrees.
Vector 2 has a magnitude of .2 and a theta of 90 degrees.
Vector 3 has a magnitude of .3 and a theta of 225 degrees.
I'm confused because if I draw vector 3's tail at the head of vector 2, the 225 degrees makes vector 3 go in the wrong direction. What am I doing wrong?
(I hope this makes sense!!)
Thank you!
Vector 1 has a magnitude of .1 and theta of 30 degrees.
Vector 2 has a magnitude of .2 and a theta of 90 degrees.
Vector 3 has a magnitude of .3 and a theta of 225 degrees.
I'm confused because if I draw vector 3's tail at the head of vector 2, the 225 degrees makes vector 3 go in the wrong direction. What am I doing wrong?
(I hope this makes sense!!)
Thank you!
Answers
Answered by
Henry
225o = 180 + 45o. So the vector is 45o
below West. Therefore, it will point to
the left and downward at an angle of 45o.
The three vectors can also be drawn from
the origin.
below West. Therefore, it will point to
the left and downward at an angle of 45o.
The three vectors can also be drawn from
the origin.
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