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anonymous
 5 years ago
Calc Question:
Force 1 = 70 lbs
Force 2 = 100 lbs
Resultant = 80 lbs
What is the angle between the forces given the resultant force is the magnitude.
anonymous
 5 years ago
Calc Question: Force 1 = 70 lbs Force 2 = 100 lbs Resultant = 80 lbs What is the angle between the forces given the resultant force is the magnitude.

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0dot product 80 = 70*100*cos(theta) cos(theta) = 8/700 theta is around 89.35 degrees

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0I have seen similar problems worked this way, but the book yields the answer as 53 degrees. Any thoughts?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.070^2 + 100^2 + 2(70)(100)cos(theta) = 80^2 14000cos(theta) = 8500 cos(theta) = 17/28 theta = 127.383 adjust for negative 53

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Excuse my unintelligent moment...but may I inquire on how you got the 8500.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.080^2  70^2  100^2 = 8500 i moved all numbers to right side

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0AH! Alright. Thanks for the help *Medal Given*

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0lol thanks and no problem
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