Knowing that for the cantilever beam shown the allowable stress is 84 MPa in tension, 110 MPa in compression and 60 MPa in shearing, determine: a) the allowable force P applied downward as shown, b) the allowable force P applied upward. 2 m Cantilever beam B 40 mm 10 mm Cross-section (zoomed) 20 mm Knowing that for the cantilever beam shown the allowable stress is 84 MPa in tension, 110 MPa in compression and 60 MPa in shearing, determine: a) the allowable force P applied downward as shown, b) the allowable force P applied upward. 2 m Cantilever beam B 40 mm 10 mm Cross-section (zoomed) 20 mm