what is stress ? and find the unit ?
Answers
Explanation:
Tensile stress is measured in units of force per unit area. The unit is newton per square meter (N/m^2), kilogram (force) per square centimeter (kg/cm^2) or pascal. Most commonly used unit of stress is pascal, which is defined as force of 1N that is exerted on unit area.
When the deforming force is applied to an object. The object deforms. In order to bring the object back to the original shape and size, there will be an opposing force generated inside the object.This restoring force will be equal in magnitude and opposite in direction to the applied deforming force. The measure of this restoring force generated per unit area of the material is called stress.Stress is defined as “The restoring force per unit area of the material”. It is a tensor quantity.
The SI unit for stress is newton per square metre, or pascal (1 pascal = 1 Pa = 1 N/m2),