Homework Answers
you have asked mulitple questions .as per HomeworkLib guidelines i can only answer one.Please raise different question for others.
For F1:
Fx = 20 cos 10 =19.6N
Fy = 20sin 10 =3.47N
For F2:
Fx = 40 cos (20) =37.5N
Fy = 40 sin (20) =13.6N
For F3:
Fx = 60 cos 30 =25.9N
Fy = 60 sin 30=30N
So sum of:
Fx = 19.6+37.5+25.9=83N
Fy = 47.07N
so answer is E
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