physics
posted by ramona .
Three forces are applied to the ring of a force table,60N at an angle of 10.0 degrees, 40N at an angle of 70.0 degrees, and 50N at an angle of 100.0 degrees. Find the magnitude of the resultant and the direction by using the analytical method. What is the magnitude of the equilibrant force and its direction?

I am wondering were the angles are measured from? Lets assume measured from the j axis.
break each into components.
60@10=60cos10j+60sin10i
40@70=40cos70j+40sin70i
and so on.
then, add to get the sum. For the equilibrant, change the signs of the sum.
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