Question

A) 1/3
B) 2/3
C) 1/2
D) 2/5
E) 3/5​

Answer 1

Explicación:

W5kg = T

50N = T

Tcos37 = Fr

50(4/5) = Fr

40 = Fr

Normal = 90N - 30N = 60N

Fr = Nu

40 = 60(u)

u = 4/6 = 2/3