The unit of stress is:

What is a plastic body and plasticity?

Which of the following statements is correct?

If the length of a wire is doubled,what is the strain?

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

Which one of the following quantities does not have the unit of force per unit area?