# Sky

## A rod has a radius of 10 mm. If it is subjected to an axial load of 15 N such that the axial strain in the rod is Ex= 2.75 x 10^-6

A rod has a radius of 10 mm. If it is subjected to an axial load of 15 N such that the axial strain in the rod is Ex= 2.75 x 10^-6 , determine the modulus of elasticity  and the change in the rod’s diameter… Read More »A rod has a radius of 10 mm. If it is subjected to an axial load of 15 N such that the axial strain in the rod is Ex= 2.75 x 10^-6

## A bar of copper alloy is loaded in a tension machine and it is determined that Ex = 940 x 10^-6, Determine the modulus of elasticity

A bar of copper alloy is loaded in a tension machine and it is determined that Ex = 940 x 10^-6 , x = 100 MPa y = 0 z = 0 Determine the modulus of elasticity (Ecu), and the dilatation (ecu), of the copper with… Read More »A bar of copper alloy is loaded in a tension machine and it is determined that Ex = 940 x 10^-6, Determine the modulus of elasticity

## The state of plane stress at a point with respect to the xy-axes. Using Mohr’s circle, determine the principal stresses and principal planes

The state of plane stress at a point with respect to the xy-axes is shown in Fig. (a). Using Mohr’s circle, determine (1) the principal stresses and principal planes; (2) the maximum in-plane shear stress; and (3) the equivalent state of stress with respect to… Read More »The state of plane stress at a point with respect to the xy-axes. Using Mohr’s circle, determine the principal stresses and principal planes

## For the state of plane stress, determine the maximum in-plane shear stress and the absolute maximum shear stress.

For the state of plane stress shown in Fig. (a), determine the maximum in-plane shear stress and the absolute maximum shear stress. Since the maximum in-plane shear stress equals the radius of the circle, which is also can be solved using the average formula of… Read More »For the state of plane stress, determine the maximum in-plane shear stress and the absolute maximum shear stress.

## Determine (a) the principal stresses and (b) the maximum in-plane shear stress and average normal stress

Determine (a) the principal stresses and (b) the maximum in-plane shear stress and average normal stress at the point. Specify the orientation of the element in each case.

## Determine the equivalent state of stress on an element at the same point oriented 60°

Determine the equivalent state of stress on an element at the same point oriented 60° clockwise with respect to the element shown. Sketch the results on the element.