Jawaban:
Penjelasan:
ini jawaban agak maksa, soalnya kurang jelas. tapi cara pengerjaanya biasanya seperti ini :)
μ = 3/8
∑Fy = 0
NB = W
∑Fx = 0
NA = fB
NA = μ. NB
NA = μ. W
Στ = 0 terhadap titik B
W. L/2. cos θ - NA. L.sin θ = 0
W. L/2. cos θ - μ. W. L.sin θ = 0
1/2. 3/5 - μ. 4/5 = 0
μ. 4/5 = 3/10
μ = 3/10. 5/4
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Jawaban:
Penjelasan:
ini jawaban agak maksa, soalnya kurang jelas. tapi cara pengerjaanya biasanya seperti ini :)
Jawaban:
μ = 3/8
Penjelasan:
∑Fy = 0
NB = W
∑Fx = 0
NA = fB
NA = μ. NB
NA = μ. W
Στ = 0 terhadap titik B
W. L/2. cos θ - NA. L.sin θ = 0
W. L/2. cos θ - μ. W. L.sin θ = 0
1/2. 3/5 - μ. 4/5 = 0
μ. 4/5 = 3/10
μ = 3/10. 5/4
μ = 3/8