" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
∑τA = 0
T sin 30° (L AC) - W AB (½ L AB) - W B (L AB) = 0
T sin 30° (2/3L) - 50 (½ L) - 100 (L) = 0
T • ½ • 2/3L - 25L - 100L = 0
2/6L • T = 25L + 100L
2/6L • T = 125L
T = 125L / 2/6L
T = (750L)/2L
T = 375 N
Jadi, tegangan tali adalah 375 Newton(Jawaban D)
Ok?