The cantilever strut is subjected to the point loads P1 = 1.4 kN and P2 = 2.8 kN.Determine the shear stress at point B on the web of the cantilever strut at section a–a. In the image, there is a beam attached to a wall on the left side. The beam extends horizontally and is subject to two forces: \( P_1 \) and \( P_2 \).### Beam Dimensions and Forces:- **Total Length of Beam**: 800 mm- **Distance from Wall to First Force (\( P_1 \))**: 250 mm- **Distance between (\( P_1 \)) and (\( P_2 \))**: 250 mm- **Distance from Second Force (\( P_2 \)) to End of Beam**: 300 mm### Cross-Sectional View at Point B:The beam's cross-section at point \( B \) is shown on the right:- **Height**: 70 mm- **Width of Flange**: 20 mm- **Width of Web**: 50 mm- **Thickness of Flange and Web**: 20 mm eachThe diagram provides precise measurements necessary for understanding the structural design and loading conditions on the beam. The forces and dimensions imply the beam is analyzed for its support and stress distribution under the applied loads.

A loading beam With LoadsP1=1.4 kNP2=2.8 kNTo determine: Shear stress at point BFrom the cross-section area belowSectionAreaY-coordinate120x70=1400mm2250x20=1000mm2From the loading beam Vertical Reaction at fixed point =So shear force at section a-a =V=R=4.2 kNThe Shear stress at point B is given by theShear stress at point B=3.086 MPa