Three forces with magnitudes of 52 pounds, 82 pounds, and 111 pounds act on an object at angles 100o, 190o, and 310o, respectively, with the positive x-axis. Find the magnitude and direction of the resultant force. Round answers to two decimal places.
A.

33.13 pounds; 69.01o

B.

51.47 pounds; 249.01o

C.

33.13 pounds; 249.01o

D.

73.18 pounds; 280.53o

E.

51.47 pounds; 69.01o

Question

Three forces with magnitudes of 52 pounds, 82 pounds, and 111 pounds act on an object at angles 100o, 190o, and 310o, respectively, with the positive x-axis. Find the magnitude and direction of the resultant force. Round answers to two decimal places.
 A.	
 
33.13 pounds; 69.01o
 
 B.	
 
51.47 pounds; 249.01o
 
 C.	
 
33.13 pounds; 249.01o
 
 D.	
 
73.18 pounds; 280.53o
 
 E.	
 
51.47 pounds; 69.01o

mathmate · Answer

You can try the problem by decomposing into x- and y-components as in a previous question.  Post your answer for a check if you need to.

anonymous · Answer

I'm sorry, but I don't really understand. :(

anonymous · Answer

I have to teach myself on these and I'm so lost!

anonymous · Answer

hold on i'll help :)

anonymous · Answer

first we should draw a picture

anonymous · Answer

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