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Calculating the net force acting on object in diagram

  • #1

Homework Statement


Calculate the net force acting on each object in the following diagrams. Show your work.

upload_2016-5-4_15-14-44.png


Homework Equations


upload_2016-5-4_14-59-12.png

[/B]
upload_2016-5-4_14-59-33.png


The Attempt at a Solution


c2= a2 + b2 - 2abcosC
c = (a2 + b2 - 2abcosC) 1/2

c = [ (32.0 N)2 + (38.0 N)2 - 2 (32.0 N) x (38.0 N) cos 55° ] 1/2
c = 32.8 N

upload_2016-5-4_14-59-33.png


sinA/ 38.0 N = sin55° / 32.8 N

A= 72°

Fnet = 32.8 N [ N 72° E]

Can someone please check my answer and tell me if it is correct? Thanks.
 

Answers and Replies

  • #2
cnh1995
Homework Helper
Gold Member
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  • #3
Okay, thanks for linking that thread.
 

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