Examples on Stress Formula
Example 1: Find the stress of an item with a 60 Newtons (N) operating force and a 4 mm2 cross-section area.
Solution:
Given,
- Restoring Force = 60 N
- Area of Cross-Section = 4 mm2
Stress = (Restoring Force) / (Area of Cross-Section)
Stress = 60 N / 4 × 10-6
Stress = 15 × 106 Nm
Stress of an item is 15 × 106 Nm
Example 2: Find the stress on an object if 100 Nm force is applied to 5 cm2 area of cross-section.
Solution:
Given,
- Restoring Force = 100 N
- Area of Cross-Section = 5 cm2 = 5×10-4 m2
Stress = (Restoring Force) / (Area of Cross-Section)
Stress = 100 / 5×10-4
Stress = 20 × 104 Nm
Stress of an item is 2 × 105 Nm
What is Stress?
Stress in physics is defined as the force exerted on the unit area of a substance. Stress affects the body as strain in which the shape of the body changes if the stress is applied and sometimes it gets permanently deformed. On the basis of the direction of force applied to the body, we can categorize stress into three categories that include,
- Longitudinal Stress
- Bulk Stress
- Shearing Stress
Apart from these three, there are also other types of stress that we will learn in this article. In this article, we will also learn about what is stress, the types of stress, the Formula for stress, the unit of stress, and others in detail.
Table of Content
- What is Stress?
- Stress Formula
- Units of Stress
- Types of Stress
- Stress and Strain
- Hooke’s Law
Contact Us