### All posts in: Strength of Materials

Articles related to Strength of Materials topic

• 6 months ago

## Selection of an Appropriate Factor of Safety

The selection of the factor of safety to be used for various applications is one of the most important engineering tasks. On the one hand, if a factor of safety ..

6 months ago

## Factors of Safety

Structural failure can be avoided if the loads that a structure is capable of supporting are greater than the loads it will be subjected to when in service. Since ..

7 months ago

## Newton’s Laws of Motion

The problems of mechanics can be solved by Newton’s laws of motion. The three laws proposed by Sir Isaac Newton, described as follows. Newton’s First ..

• 1 year ago

## Equilibrium of Rigid Bodies

The concept of equilibrium is used for determining unknown forces and moments of forces that act on or within a rigid body or system of rigid bodies. The equations ..

2 years ago

## Rockwell Hardness Test

Rockwell Hardness Test is the most commonly used hardness tests after Brinell Hardness Test, named after the metallurgists Stanley P. Rockwell and Hugh M. Rockwell ..

• 3 years ago

## Types of Keys (Mechanical)

A key is a machine element fitted in an axial direction into the mating member, such as pulleys, gears. The primary function of the key is to prevent the relative ..

3 years ago

## Knoop Hardness Test

Knoop hardness test method (Microhardness test method) is applicable to extremely thin metals, plated surfaces, very hard and brittle materials, carburized and nitrided ..

• 3 years ago

## Material Groups

There are 31 types of crystals. Bodies and things made up of these crystals can be grouped into classes, based on the independent material constants in the linear ..

3 years ago

## Free Body Diagram (FBD)

In many problems in engineering mechanics, it is essential to isolate the body under consideration from the other bodies in contact and draw all the forces acting ..

• 3 years ago

## System of Forces

When several forces of different magnitude and different direction act upon a certain body, they constitute a system of forces. If all the forces in a system lie in a single ..

4 years ago

## Different Types of Beams

Beams are generally horizontal structural members which transfer loads horizontally along their length to the supports where the loads are usually resolved into ..

• 4 years ago

## Principle of Superposition

According to the principle of superposition of forces, when a Hookean body (An elastic body or material for which Hooke’s law equation can be assumed is said ..

4 years ago

## Varignon’s Theorem

According to Varignon’s theorem, the algebraic sum of several concurrent forces about any point is equal to the moments of the moments of their resultant about ..

4 years ago

## Laws of Friction

The sliding of a solid body in contact with another solid body is always opposed by force of friction. Friction acts in the direction opposite to that of relative ..