Two weights attached to a uniform beam of mass 38 kg are supported in a horizont

Question

Two weights attached to a uniform beam of mass 38 kg are supported in a horizontal position by a pin and cable as shown in the figure.

What is the tension in the cable which supports the beam? The acceleration of gravity is 9.8 m/s2.

Answer in units of kN

Two weights attached to a uniform beam of mass 38 kg are supported in a horizontal position by a pin and cable as shown in the figure. What is the tension in the cable which supports the beam? The acceleration of gravity is 9.8 m/s2. Answer in units of kN

Explanation / Answer

balancing moment of beam about hinge point ,

38g x (8.1/2) + 53g x 2.3 + 39g x 8.1 - Tsin38 x 8.1 = 0

T = 1162.79N = 1.16 kN

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