1) For a given steel with Sy-400 MPa and Ssy= 250 MPa, what is the safety factor for the two different points. Point 1, 01-200 MPa, σ2-100 MPa Point 2, σ 150 MPa, σ2--100 MPa Use maximum-normal-stress theory, maximum-shear-stress theory and maximum- distortion-energy theory