A window washer is standing on a scaffold supported by a vertical rope at each end. The
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A window washer is standing on a scaffold supported by a vertical rope at each end. The scaffold weighs 300 N and is 4.50 m long. What is the tension in each rope when the 600-N worker stands 1.30 m from one end?
- Identify the Object and System: Clearly define the object or system you are analyzing. This might be a single object or a system of connected objects.
- Draw a Free-Body Diagram (FBD) or at least identify the forces in an illustration: Identify all the forces exerted on the object or system. Use arrows to indicate the direction of each force.
- Choose a Coordinate System: Define a coordinate system to analyze forces and torques. This simplifies calculations and helps maintain consistency.
- Write Equations for Force Equilibrium: An equation stating that the net force is zero in each direction (x, y, and z if applicable). This gives you equations to solve for unknown forces. If the object is rotating, write equations for torque equilibrium. Most importantly, you must choose an axis of rotation, this will give you the proper signs to attach to the different torques, (-CW, and + CCW).
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