In the figure, a 10.0-m long bar is attached by a frictionless hinge to a wall and held horizontal by a rope that makes an angle θ of 53° with the bar. The bar is uniform and weighs 39.9 N. How far from the hinge should a 10.0-kg mass be suspended for the tension T in the rope to be 125 N? 
Definitions:
Discontinuous Change
An aspect of development that is characterized by abrupt or stage-like change.
Sudden Surge
An abrupt and substantial increase or intensification of something, such as energy, activity, or emotion, occurring in a short period of time.
Proficient
Having a high degree of skill or expertise in a particular field or activity.
Mastering
The process of acquiring complete skill or knowledge in a subject or activity.
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