What is the magnitude and direction of resulting force with given values?

AI Thread Summary
The discussion revolves around calculating the magnitude and direction of resulting forces F1 and F2, initially calculated as 2.7x10^-8 and 8.3x10^-9, respectively. The magnitude was computed using the formula sqrt(F1^2 + F2^2), yielding approximately 2.818x10^-8, with an angle of 72.8 degrees derived from the inverse tangent of F1/F2. Participants suggested re-evaluating the calculations, leading to revised values of F1 and F2 as 2.04E-7 and 1.762E-7, resulting in a new magnitude of 2.69E-7 and an angle of 49 degrees. Ultimately, the final corrected values were reported as a magnitude of 2.05E-7 and a direction of 85 degrees.
SadPanda6022
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I attached problem.

I got F1 = 2.7x10-8
and F2 = 8.3x10-9

sqrt(f1^2 +f2^2) = 2.818x10^-8

theta was inverse tan of f1/f2. got 72.8

please help :(
 

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SadPanda6022 said:
I attached problem.

I got F1 = 2.7x10-8
and F2 = 8.3x10-9

I don't get these forces. Perhaps you should attach you calculations.
sqrt(f1^2 +f2^2) = 2.818x10^-8

theta was inverse tan of f1/f2. got 72.8

please help :(

Re-check your calculations for F1 and F2.
 
I think I know what I did...dumb mistake.

Did you get:
f1=2.04E-7
f2=1.762E-7

NEW magnitude= 2.69E-7
NEW theta=49
 
and I was using F=G(7.30)(7.30)/(0.132)^2 for F1 and F2 just subbed in 0.427.

Thanks for your help.
 
SadPanda6022 said:
I think I know what I did...dumb mistake.

Did you get:
f1=2.04E-7
f2=1.762E-7

NEW magnitude= 2.69E-7
NEW theta=49
F2 is still incorrect.
 
Yeah I don't know what I did there. I got it now though. magnitude:2.05E-7 and direction of 85 degrees.

Thank you!
 

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