Final answer:
To determine the absolute minimum shear stress on the shaft's surface and its location, we need to calculate the shear stress at different locations along the shaft and compare the values. This requires information such as the magnitude of the force and the dimensions of the shaft. The shear modulus is also crucial for accurate calculations of shear stress.
Step-by-step explanation:
The absolute minimum shear stress on the shaft's surface can be determined by finding the location where the shear stress is the lowest. To do this, we need to calculate the shear stress at different locations along the shaft and compare the values. The shear stress can be calculated using the formula τ = F/A, where F is the force applied parallel to the surface and A is the cross-sectional area.
We need more information, such as the magnitude of the force and the dimensions of the shaft, in order to calculate the shear stress at different locations and determine the absolute minimum. Once we have this information, we can perform the necessary calculations to find the absolute minimum shear stress and its location.
It is important to note that the shear modulus S is a material property and must be known to calculate the shear stress. The shear modulus represents the stiffness of a material under shear stress. Without the shear modulus, we cannot accurately calculate the shear stress.