A light cable attaches to a bar hinged to a wall as shown in the figure. The bar is 1.70 m long and has a mass of 6.0 kg. Attached to the end of a bar is a sign with a mass of 15.5 kg. The cable attaches to the bar at a distance of 1.35 m from the wall making an angle of 35 degrees with the bar. a) What is the tension in the cable? b) If the cable breaks, what will be the instantaneous angular acceleration of the bar/sign system about the hinge? Treat the bar as a uniform rod and the sign as a point mass attached at the end of the bar.

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Q: please help

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Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.