To calculate the shear force at point A in the given beam, we need to analyze the loads acting on it. However, the information provided in the question is not clear and seems to be incomplete or jumbled. Therefore, it is difficult to determine the exact loads and dimensions.
To calculate shear force at a specific point on a beam, we typically consider the forces acting to the left or right of that point. These forces can be due to external loads or reactions from supports.
In this case, since the loads and dimensions are not provided, I am unable to provide a specific calculation. However, I can guide you through the general process:
1. Identify the external loads acting on the beam and their locations, if given.
2. Determine the reactions at the supports, if provided.
3. Draw the shear force diagram for the beam, indicating the magnitude and direction of the shear force at different points.
4. Analyze the shear force at point A by considering the forces to the left and right of it.
5. If there are concentrated loads or reactions at point A, take them into account while calculating the shear force.
Without more information, it is not possible to provide a numerical answer. However, by following the steps above, you should be able to calculate the shear force at point A.