1. The problem asks to draw a sketch of an L-shaped arm supporting a pulley system with specific dimensions and forces. 2. Since the user requests a hand-drawn sketch, I cannot provide a digital drawing here. 3. However, I can describe how to draw the sketch: - Draw a horizontal line 15 m long representing the horizontal arm. - At the right end, draw a vertical line 7 m long representing the vertical arm. - Mark point A at the left end of the horizontal arm where the roller is located on an inclined plane at 45 degrees. - Mark point B at the bottom of the vertical arm where it is anchored. - Mark point C on the horizontal arm 6 m from point A where the pulley is located. - Indicate the pulley weight (24 kg) at point C. - Show two masses of 105 kg each hanging on either side of the pulley. - Indicate the moment of 1750 Nm anticlockwise on the arm. - Show the reaction force of 1280 N at point B in the Y direction. This description should guide the user to create the hand-drawn sketch as required. Final answer: Sketch description provided for hand drawing.