Question

Porfis me lo piden con prosedimiento ​

Answer 1

Respuesta:

Fx=80Cos30 - 50Cos20

=69.28 - 46.98

=22.3 i

Fy = -80Sen30 - 50Sen20

= -40 - 17.1

= -57.1 j

R = √(22.3)² + (-57.1)²

R = 61.3

θ = tag-¹(-57.1/22.3)

θ = -68.7° ~ 291°

... :D