Jawaban:
ΣFx =V3 + V1 cos 30 - V2 cos 30
ΣFx =30 + 40 cos 30 - 40 cos 30
ΣFx =30
ΣFy = 0 * V3 + V1 sin 30 + V2 sin 30
ΣFy = 0 + 40 * 1/2 + 40 * 1/2
ΣFy = 40
R = = 50
Penjelasan:
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Jawaban:
ΣFx =V3 + V1 cos 30 - V2 cos 30
ΣFx =30 + 40 cos 30 - 40 cos 30
ΣFx =30
ΣFy = 0 * V3 + V1 sin 30 + V2 sin 30
ΣFy = 0 + 40 * 1/2 + 40 * 1/2
ΣFy = 40
R =
= 50
Penjelasan: