What tensional force now acts on the bar through the cable

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a stel cable is used to keep a 2 m long 10 kg bar horizontal. one end of the bar is mounted to a wall. the other is connected to the cable, which makes a 30 degree angle with the bar. a 20 kg sign, 25 cm wide is then hung from the end of the bar. what tensional force now acts on the bar through the cable?

Reference no: EM13303277

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