A bar, of rectangular cross section having area `A`, is subjected to forces as shown. Tensile stress developed in dotted section `PQ` as shown is

A uniform cylindrical rod of length L and cross-sectional area by forces as shown in figure. The elongation produced in the rod is

A bar of cross- sectional area A is is subjected two equal and opposite tensile forces at its ends as shown in figure. Consider a plane BB' making an angle theta with length. The ratio of tensile stress to the shearing stress on the plane BB' is

A bar of cross-section A is subjected two equal and opposite tensile forces at its ends consider a plane section of the bar whose makes an angle theta with the axis of the bar. (a) what is the tensile stress on this plane ? (b)what is the shearing stress on this plane ? (c )for what value of theta is the tensile stress is maximum ? (d) for what value of theta is the shearing stress maximum ?

A bar of cross-section A is subjected to equal and opposite tensile forces at its ends. Consider a plane section of the bar whose normal makes an angle theta with the axis of the bar . (i) What is the tensile stress on this plane? (ii) What is the shearing stress on this plane? (iii) For what value of theta is the tensile stress maximum (iv) For what value of theta is the shearing stress maximum?

A bar of cross section A is subjected to equal and opposite tensile force at its ends. Consider a plane section of the bar whose normal makes an angle theta with the axis of the bar. a. What is the tensile stress on the plane? b. What is the shearing stress on the this plane? c. For what value of theta is the tensile stress maximum? d. For what value of theta is the shearing stress maximum?

A stream of water of density rho , cross sectional area A, and speed u strikes a wall that is perpendicular to the direction of the stream, as shown in the figure below. The water then flows sideways across the wall. The force exerted by the stream on the wall is

A bar of cross section A is subjected to equal and opposite tensile forces F at its ends. Consider a plane through the bar making an angle theta with a plane at right angles to the bar as shown in figure. The tensile stress at this plane in terms of F, A and theta is

A rod area of cross section A is being acted upon by two forces F - F as shown in figure. Consider a section ab of rod whose normal makes angle theta with horimontal. The shear stress upon this section is maximum when theta=(180^(@))/(n) . Find n.

A uniform steel rod of cross- sectional area A and L is suspended so that it hangs vertically. The stress at the middle point of the rod is

A uniform steel rod of cross- sectional area A and L is suspended so that it hangs vertically. The stress at the middle point of the rod is