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Mathematics 21 Online
OpenStudy (anonymous):

a force of 140 lbs acts on a nobject at an angle of 18 degrees with the horizontal. A second force of 325 acts on the same object with a angle of -9 degrees with the horizon. find magnitude and direction of resultant force.

OpenStudy (amistre64):

gonna have to break them into their component parts

OpenStudy (anonymous):

Is the really supposed to help me?

OpenStudy (amistre64):

yeah, its spose to get you to consider what youve covered in your lessons and then apply it

OpenStudy (anonymous):

so how am i supposed to do this problem?

OpenStudy (amistre64):

using vector analysis

OpenStudy (amistre64):

what have you covered in your material?

OpenStudy (anonymous):

dude im in pre calc i have no clue what that is

OpenStudy (amistre64):

in precalc you cover how to convert xy coords trig equivalent

OpenStudy (anonymous):

your not helping

OpenStudy (amistre64):

since any xy coord can form a right triangle, we can define the xy parts into sin and cos functions

OpenStudy (amistre64):

oh im helping .... all youve contributed so far doesnt amount to a hill of beans :)

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