Engineering Mechanics: Statics & Dynamics (14th Edition)

Published by Pearson
ISBN 10: 0133915425
ISBN 13: 978-0-13391-542-6

Chapter 3 - Equilibrium of a Particle - Section 3.3 - Coplanar Force Systems - Problems - Page 99: 8



Work Step by Step

We sum the forces as follows: $\Sigma F_y=0$ $\implies 100 sin\theta-T_A-\frac{12}{13}T_A=0$......eq(1) and $\Sigma F_x=0$ $\implies -100cos\theta+\frac{5}{13}T_A=0$......eq(2) Solving these two equations, we obtain: $\theta=78.7^{\circ}$ and $T_A=50.9KN$
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