## Question

###### A sign m=20kg is hung from a uniform beam 1 = 2m and m, = 20kg,...

A sign m=20kg is hung from a uniform beam 1 = 2m and m, = 20kg, as shown below. The beam is attached to the wall of a building and a cable that intersects the beam at an angle of 35° supports it. Find the tension in the cable. Wall Cable 0=35° Beam Sign

## Answers

cocentre (Soln Net Torque on beam=o (in equilibrium condition) Take torque about left end. AT COM 35 Hinge of mass oferol) (20g) t1 20g Klom Tsin35x2 - 20x9.8x1-20x9,8x2=0. [ Torque Torque force per bendicular distance. for Tension, component of force which is perpendicular to the length is Tsino =tsins Torque of Tension force is Anticlock- wise while other tosques are clockwise from , T=512.57 Newton &

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