A horizontal boom is used to support the sign of a coffee shop. The boom itself is supported by a cable attached to one of its ends and its opposite end sits against and is supported by the wall horizontally by a normal force and vertically by friction. The coffee shop sign, originally supported by to ropes connected to the boom, is now precariously held by a single rope. The boom has a non-negligible mass. The system is in equilibrium (for the moment). Below is an illustration of the setup and a partially completed extended force diagram. Coffee House 0 WB TBS T a. Complete the force diagram by ensuring properly labeling and ensuring all forces have been included.

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