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The magnitude of F is 384 newtons and it points at 344o measured counterclockwise from the positive xaxis. What is the x component (in newtons) of F?
 one year ago
 one year ago
The magnitude of F is 384 newtons and it points at 344o measured counterclockwise from the positive xaxis. What is the x component (in newtons) of F?
 one year ago
 one year ago

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Shane_BBest ResponseYou've already chosen the best response.0
Draw a picture and the answer should be fairly simple:dw:1359421352236:dw\[A=16^{\circ}\]\[Ax=Acos(\theta)\]\[Ay=Asin(\theta)\]
 one year ago

dainel40Best ResponseYou've already chosen the best response.0
but i don't kno what to do.. Do i subtract 360344?
 one year ago

Shane_BBest ResponseYou've already chosen the best response.0
Yes, to find the angle above (as I did) you do 360344. That gives you theta
 one year ago

Shane_BBest ResponseYou've already chosen the best response.0
So to find the amount of force in just the x direction you would have:\[F_x=(384N)cos(16)=369.12N\]
 one year ago

dainel40Best ResponseYou've already chosen the best response.0
thanks! so much.. Could i ask u another question if u dont mind?
 one year ago

dainel40Best ResponseYou've already chosen the best response.0
Question 2 of 6 F points in the opposite direction as F and has the same magnitude as F True/False Question 3 of 6 F1 = (8.4,3.4) and F2 = (7.1,5.8) where all components are in newtons. What is the exact xcomponent of F1 + F2 (in newtons)?
 one year ago

Shane_BBest ResponseYou've already chosen the best response.0
The first one is true. For the second one you have to do vector addition: F1=(8.4,3.4) which states that the x value is 8.4 and the y value is 3.4. F2=(7.1,5.8) which states that the x value is 7.1 and the y value is 5.8. The resultant vector (in component notation) will simply be: Fresult=[(8.4+(7.1)), (3.4+(5.8))]Just perform the math and you'll know what the answer to the second question is.
 one year ago

dainel40Best ResponseYou've already chosen the best response.0
dont i just need the value of x? so it will be 8.4+7.1 = 1.3
 one year ago

Shane_BBest ResponseYou've already chosen the best response.0
If it's not clear, I'm just adding the x's and y's. You should end up with Fresult=(1.3, 2.4)
 one year ago

dainel40Best ResponseYou've already chosen the best response.0
ok thanks!. how would u do this question. F = (30.8,44.4), where all components are in newtons. If a vector's direction is measured counterclockwise from the positive xaxis, what angle (in degrees, from 0360) does the negative vector F make?
 one year ago

dainel40Best ResponseYou've already chosen the best response.0
Can I do opp/adj and then find the inverse tangent?
 one year ago

CloverpetalBest ResponseYou've already chosen the best response.0
hey, @Shane_B when you're done, wanna help me? :)
 one year ago
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